2021/07/12 更新

写真a

イイダ セイジ
飯田 征二
IIDA Seiji
所属
医歯薬学域 教授
職名
教授
外部リンク

学位

  • 博士(歯学) ( 大阪大学 )

研究キーワード

  • 口腔外科一般

  • 鼻咽腔閉鎖運動の生理

  • 咀嚼の生理

  • Surgical Approach for Oral disease

  • velopharyngeal closure

  • mastication

研究分野

  • ライフサイエンス / 外科系歯学

  • ライフサイエンス / 常態系口腔科学

学歴

  • 大阪大学   歯学部  

    - 1986年

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    国名: 日本国

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  • 大阪大学   Faculty of Dentistry  

    - 1986年

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経歴

  • Clinical Research fellow (Heidelberg University, Germany)

    2000年 - 2001年

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  • 文部科学省 在外研究員 (ハイデルベルグ大学, ドイツ)

    2000年 - 2001年

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  • - Assistant Professor Osaka University Dental Hospital

    2000年

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  • - 大阪大学歯学部附属病院 講師

    2000年

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  • Research assistant Osaka University Faculty of Dentistry

    1996年 - 2000年

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  • 大阪大学歯学部 助手   School of Dentistry

    1996年 - 2000年

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▼全件表示

所属学協会

  • 日本口蓋裂学会

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  • 日本口腔科学会

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  • 日本口腔外科学会

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  • Japanese society for disability and oral health

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  • 日本障害者歯科学会

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  • Japanese stomatological Society

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  • Japanese Socaiety of Oral and Maxillofacial surgeons

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▼全件表示

 

書籍等出版物

  • Upper airway regulation by levator veli palatini muscle"jointly worked"

    Brain and oral functions Elsevier Science  1995年 

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  • Interaction between afferent input related to air flow through upper airway and activity of levator veli palatini muscle

    Brain and oral functions Elsevier Science  1995年 

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  • Upper airway regulation by levator veli palatini muscle(共著)

    Brain and oral functions, Elsevier Science  1995年 

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  • Interaction between afferent input related to air flow through upper airway and activity of levator veli palatini muscle

    Brain and oral functions, Elsevier Science  1995年 

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  • The role of vagal and glossopharyngeal nerve on levator veli palatini muscle activity "jointly worked"

    Brain and oral functions Elsevier Science  1995年 

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MISC

  • Evidence of aerosolised floating blood mist during oral surgery

    K. Ishihama, H. Koizumi, T. Wada, S. Iida, S. Tanaka, T. Yamanishi, A. Enomoto, M. Kogo

    JOURNAL OF HOSPITAL INFECTION   71 ( 4 )   359 - 364   2009年4月

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    記述言語:英語   出版者・発行元:W B SAUNDERS CO LTD  

    Dental, surgery performed with high speed instruments, such as a dental turbine, air motor, or micro-engine handpiece, produces a large amount of splattering and particles, which can be contaminated by micro-organisms from the oral cavity. It has been speculated that such particulate mists contain blood-based elements. In the present study, we investigated whether blood-contaminated aerosol was present in a room where oral surgery was performed with high speed instruments. An extra-oral evacuator system was used for sample collection (N = 132). For the experiment, a non-woven towel. was set on the nozzle of the evacuator as a filter and invisible mist was collected at distances of 20, 60 and 100 cm from the surgical site. A leucomalachite green presumptive test was performed with each fitter after every tooth extraction. At locations 20 and 100 cm from the surgical site, 76% and 57%, respectively, of the particulates were positive in blood presumptive tests. Based on our results, we consider that blood-contaminated materials have the potential to be suspended in air as blood-contaminated aerosol. These results indicate the risk of cross-infection at the dental practice for immunocompromised patients as well as healthy personnel. (c) 2008 The Hospital Infection Society. Published by Elsevier Ltd. All rights reserved.

    DOI: 10.1016/j.jhin.2008.12.005

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  • Evidence of aerosolised floating blood mist during oral surgery

    K. Ishihama, H. Koizumi, T. Wada, S. Iida, S. Tanaka, T. Yamanishi, A. Enomoto, M. Kogo

    JOURNAL OF HOSPITAL INFECTION   71 ( 4 )   359 - 364   2009年4月

     詳細を見る

    記述言語:英語   出版者・発行元:W B SAUNDERS CO LTD  

    Dental, surgery performed with high speed instruments, such as a dental turbine, air motor, or micro-engine handpiece, produces a large amount of splattering and particles, which can be contaminated by micro-organisms from the oral cavity. It has been speculated that such particulate mists contain blood-based elements. In the present study, we investigated whether blood-contaminated aerosol was present in a room where oral surgery was performed with high speed instruments. An extra-oral evacuator system was used for sample collection (N = 132). For the experiment, a non-woven towel. was set on the nozzle of the evacuator as a filter and invisible mist was collected at distances of 20, 60 and 100 cm from the surgical site. A leucomalachite green presumptive test was performed with each fitter after every tooth extraction. At locations 20 and 100 cm from the surgical site, 76% and 57%, respectively, of the particulates were positive in blood presumptive tests. Based on our results, we consider that blood-contaminated materials have the potential to be suspended in air as blood-contaminated aerosol. These results indicate the risk of cross-infection at the dental practice for immunocompromised patients as well as healthy personnel. (c) 2008 The Hospital Infection Society. Published by Elsevier Ltd. All rights reserved.

    DOI: 10.1016/j.jhin.2008.12.005

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  • Simulation of Osteotomy and Support for Surgery using VR Hepatic Device

    Studies in Health Technology and Informatics   142: 331-336   2009年

  • Widening a narrow posterior mandibular alveolus following extirpation of a large cyst: a case treated with a titanium mesh-plate type distractor

    Tomonao Aikawa, Seiji Iida, Hitomi Senoo, Kazuhiro Hori, Mari Namikawa, Masaya Okura, Takahiro Ono

    ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTOLOGY   106 ( 5 )   E1 - E7   2008年11月

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    記述言語:英語   出版者・発行元:MOSBY-ELSEVIER  

    Vertical alveolar augmentation by distraction osteogenesis has become a standard pretreatment of dental implants due to the main benefit of lack of donor site complications, and many reports have shown its benefit with various types of alveolar distractors. However, autogenous bone transplantation and/or guided bone regeneration techniques are still the standard treatment for correcting a narrow alveolar ridge because of few commercially available distractors for alveolar widening. In this article, we treated a case by a mesh-plate type of alveolar widening distractor for a narrow posterior mandibular alveolar ridge after extirpation of a large jaw cyst. (Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2008;106:e1-e7)

    DOI: 10.1016/j.tripleo.2008.07.006

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  • Widening a narrow posterior mandibular alveolus following extirpation of a large cyst: a case treated with a titanium mesh-plate type distractor

    Tomonao Aikawa, Seiji Iida, Hitomi Senoo, Kazuhiro Hori, Mari Namikawa, Masaya Okura, Takahiro Ono

    ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTOLOGY   106 ( 5 )   E1 - E7   2008年11月

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    記述言語:英語   出版者・発行元:MOSBY-ELSEVIER  

    Vertical alveolar augmentation by distraction osteogenesis has become a standard pretreatment of dental implants due to the main benefit of lack of donor site complications, and many reports have shown its benefit with various types of alveolar distractors. However, autogenous bone transplantation and/or guided bone regeneration techniques are still the standard treatment for correcting a narrow alveolar ridge because of few commercially available distractors for alveolar widening. In this article, we treated a case by a mesh-plate type of alveolar widening distractor for a narrow posterior mandibular alveolar ridge after extirpation of a large jaw cyst. (Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2008;106:e1-e7)

    DOI: 10.1016/j.tripleo.2008.07.006

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  • Extensive nasopalatine duct cyst causing nasolabial protrusion

    Susumu Tanaka, Seiji Iida, Shumei Murakami, Mitsunobu Kishino, Chiaki Yamada, Masaya Okura

    ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTOLOGY   106 ( 4 )   E38 - E42   2008年10月

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    記述言語:英語   出版者・発行元:MOSBY-ELSEVIER  

    In this report, we show a case of the extensive nasopalatine duct cyst showing remarkable nasolabial protrusion. CT and MR examinations showed remarkable expansion of the extraosseous part of the lesion toward anterior and lateral sides, and this finding is considered to show the rather aggressive nature of this common cystic lesion after penetration of the maxillary cortex. (Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2008; 106: e46-e50)

    DOI: 10.1016/j.tripleo.2008.05.046

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  • Extensive nasopalatine duct cyst causing nasolabial protrusion

    Susumu Tanaka, Seiji Iida, Shumei Murakami, Mitsunobu Kishino, Chiaki Yamada, Masaya Okura

    ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTOLOGY   106 ( 4 )   E38 - E42   2008年10月

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    記述言語:英語   出版者・発行元:MOSBY-ELSEVIER  

    In this report, we show a case of the extensive nasopalatine duct cyst showing remarkable nasolabial protrusion. CT and MR examinations showed remarkable expansion of the extraosseous part of the lesion toward anterior and lateral sides, and this finding is considered to show the rather aggressive nature of this common cystic lesion after penetration of the maxillary cortex. (Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2008; 106: e46-e50)

    DOI: 10.1016/j.tripleo.2008.05.046

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  • Breakage of internal maxillary distractor: considerable complication of maxillary distraction osteogenesis

    Tomonao Aikawa, Seiji Iida, Emiko T. Isomura, Mari Namikawa, Yudai Matsuoka, Chiaki Yamada, Taku Yamamoto, Yoko Takigawa

    ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTOLOGY   106 ( 1 )   E1 - E7   2008年7月

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    記述言語:英語   出版者・発行元:MOSBY-ELSEVIER  

    Maxillary distraction osteogenesis using intraoral distractors is now one of the standard treatments of maxillary retrusion. This report shows 2 cases of breakage of this internal maxillary distractor in patients with cleft lip and palate; one was observed during the distraction period and the other was during the retention period. The first case required a rotational movement of the distraction segment, and this movement caused the laterally dislocation of the posterior part of the distractor, where the distractor suffered some mechanical forces by mouth opening. In the latter case, breakage of distractor was observed on the radiographs taken 3 months after distraction and this complication may have been caused by mechanical force by occlusion and mastication. Both breakages were found at the joint of the anchorage plate and the extension rod, which has some flexibility for adjusting the plate to the bone surface. Therefore, surgeons should pay special attention for this mechanical weak area in this distractor not only during the advancement period, but also during the retention period and should avoid unnecessary frequent bending for adopting the bone surface, which directly weakens the joint.

    DOI: 10.1016/j.tripleo.2008.03.035

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  • Breakage of internal maxillary distractor: considerable complication of maxillary distraction osteogenesis

    Tomonao Aikawa, Seiji Iida, Emiko T. Isomura, Mari Namikawa, Yudai Matsuoka, Chiaki Yamada, Taku Yamamoto, Yoko Takigawa

    ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTOLOGY   106 ( 1 )   E1 - E7   2008年7月

     詳細を見る

    記述言語:英語   出版者・発行元:MOSBY-ELSEVIER  

    Maxillary distraction osteogenesis using intraoral distractors is now one of the standard treatments of maxillary retrusion. This report shows 2 cases of breakage of this internal maxillary distractor in patients with cleft lip and palate; one was observed during the distraction period and the other was during the retention period. The first case required a rotational movement of the distraction segment, and this movement caused the laterally dislocation of the posterior part of the distractor, where the distractor suffered some mechanical forces by mouth opening. In the latter case, breakage of distractor was observed on the radiographs taken 3 months after distraction and this complication may have been caused by mechanical force by occlusion and mastication. Both breakages were found at the joint of the anchorage plate and the extension rod, which has some flexibility for adjusting the plate to the bone surface. Therefore, surgeons should pay special attention for this mechanical weak area in this distractor not only during the advancement period, but also during the retention period and should avoid unnecessary frequent bending for adopting the bone surface, which directly weakens the joint.

    DOI: 10.1016/j.tripleo.2008.03.035

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  • High incidence of blood exposure due to imperceptible contaminated splatters during oral surgery

    Kohji Ishihama, Seiji Iida, Hidehiko Koizumi, Takenobu Wada, Tadafumi Adachi, Emiko Isomura-Tanaka, Tadashi Yamanishi, Akifumi Enomoto, Mikihiko Kogo

    JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY   66 ( 4 )   704 - 710   2008年4月

     詳細を見る

    記述言語:英語   出版者・発行元:W B SAUNDERS CO-ELSEVIER INC  

    Purpose: To evaluate the incidence of blood exposure during outpatient oral surgery from splattering caused by use of high-speed rotary instruments at the Referral and Teaching Center, University Dental Hospital.
    Materials and Methods: Twenty-five consecutive patients who had impacted mandibular third molars were selected. The attending surgeon wore an operation gown and visor mask, and carried out the tooth extraction with the regular procedure. We counted the number of bloodstains found on the operation gown and visor mask, and confirmed the presence of diluted and invisible bloodstains using a leucomalachite green presumptive test, which was able to detect dilutions up to 1:4,000.
    Results: There were 469 separate bloodstains on the gown and visor mask of oral surgeons, which came from 19 (76%) of 25 patients during impacted mandibular third molar surgery. Presumptive tests for invisible bloodstains resulted in 1,206 positive reactions, 2.57-fold greater than the visible stains, from 88% of the cases. All of the surgeons were right-handed and the common areas of staining were the right forearm, face, and thorax regions.
    Conclusions: Dental procedures with high-speed instruments exposed surgeons to possible blood-borne infections by splashing in nearly 90% of the cases. Greater than 50% of the stains were invisible to the naked eye. Based on our results, strict compliance with barrier precautions, including routine use of an operation gown and visor mask, is recommended whenever oral surgery is carried out with high-speed rotary instruments. (C) 2008 American Association of Oral and Maxillofacial Surgeons.

    DOI: 10.1016/j.joms.2007.06.663

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  • High incidence of blood exposure due to imperceptible contaminated splatters during oral surgery

    Kohji Ishihama, Seiji Iida, Hidehiko Koizumi, Takenobu Wada, Tadafumi Adachi, Emiko Isomura-Tanaka, Tadashi Yamanishi, Akifumi Enomoto, Mikihiko Kogo

    JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY   66 ( 4 )   704 - 710   2008年4月

     詳細を見る

    記述言語:英語   出版者・発行元:W B SAUNDERS CO-ELSEVIER INC  

    Purpose: To evaluate the incidence of blood exposure during outpatient oral surgery from splattering caused by use of high-speed rotary instruments at the Referral and Teaching Center, University Dental Hospital.
    Materials and Methods: Twenty-five consecutive patients who had impacted mandibular third molars were selected. The attending surgeon wore an operation gown and visor mask, and carried out the tooth extraction with the regular procedure. We counted the number of bloodstains found on the operation gown and visor mask, and confirmed the presence of diluted and invisible bloodstains using a leucomalachite green presumptive test, which was able to detect dilutions up to 1:4,000.
    Results: There were 469 separate bloodstains on the gown and visor mask of oral surgeons, which came from 19 (76%) of 25 patients during impacted mandibular third molar surgery. Presumptive tests for invisible bloodstains resulted in 1,206 positive reactions, 2.57-fold greater than the visible stains, from 88% of the cases. All of the surgeons were right-handed and the common areas of staining were the right forearm, face, and thorax regions.
    Conclusions: Dental procedures with high-speed instruments exposed surgeons to possible blood-borne infections by splashing in nearly 90% of the cases. Greater than 50% of the stains were invisible to the naked eye. Based on our results, strict compliance with barrier precautions, including routine use of an operation gown and visor mask, is recommended whenever oral surgery is carried out with high-speed rotary instruments. (C) 2008 American Association of Oral and Maxillofacial Surgeons.

    DOI: 10.1016/j.joms.2007.06.663

    Web of Science

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  • High incidence of blood exposure due to imperceptible contaminated splatters during oral surgery

    Kohji Ishihama, Seiji Iida, Hidehiko Koizumi, Takenobu Wada, Tadafumi Adachi, Emiko Isomura-Tanaka, Tadashi Yamanishi, Akifumi Enomoto, Mikihiko Kogo

    JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY   66 ( 4 )   704 - 710   2008年4月

     詳細を見る

    記述言語:英語   出版者・発行元:W B SAUNDERS CO-ELSEVIER INC  

    Purpose: To evaluate the incidence of blood exposure during outpatient oral surgery from splattering caused by use of high-speed rotary instruments at the Referral and Teaching Center, University Dental Hospital.
    Materials and Methods: Twenty-five consecutive patients who had impacted mandibular third molars were selected. The attending surgeon wore an operation gown and visor mask, and carried out the tooth extraction with the regular procedure. We counted the number of bloodstains found on the operation gown and visor mask, and confirmed the presence of diluted and invisible bloodstains using a leucomalachite green presumptive test, which was able to detect dilutions up to 1:4,000.
    Results: There were 469 separate bloodstains on the gown and visor mask of oral surgeons, which came from 19 (76%) of 25 patients during impacted mandibular third molar surgery. Presumptive tests for invisible bloodstains resulted in 1,206 positive reactions, 2.57-fold greater than the visible stains, from 88% of the cases. All of the surgeons were right-handed and the common areas of staining were the right forearm, face, and thorax regions.
    Conclusions: Dental procedures with high-speed instruments exposed surgeons to possible blood-borne infections by splashing in nearly 90% of the cases. Greater than 50% of the stains were invisible to the naked eye. Based on our results, strict compliance with barrier precautions, including routine use of an operation gown and visor mask, is recommended whenever oral surgery is carried out with high-speed rotary instruments. (C) 2008 American Association of Oral and Maxillofacial Surgeons.

    DOI: 10.1016/j.joms.2007.06.663

    Web of Science

    researchmap

  • High incidence of blood exposure due to imperceptible contaminated splatters during oral surgery

    Kohji Ishihama, Seiji Iida, Hidehiko Koizumi, Takenobu Wada, Tadafumi Adachi, Emiko Isomura-Tanaka, Tadashi Yamanishi, Akifumi Enomoto, Mikihiko Kogo

    JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY   66 ( 4 )   704 - 710   2008年4月

     詳細を見る

    記述言語:英語   出版者・発行元:W B SAUNDERS CO-ELSEVIER INC  

    Purpose: To evaluate the incidence of blood exposure during outpatient oral surgery from splattering caused by use of high-speed rotary instruments at the Referral and Teaching Center, University Dental Hospital.
    Materials and Methods: Twenty-five consecutive patients who had impacted mandibular third molars were selected. The attending surgeon wore an operation gown and visor mask, and carried out the tooth extraction with the regular procedure. We counted the number of bloodstains found on the operation gown and visor mask, and confirmed the presence of diluted and invisible bloodstains using a leucomalachite green presumptive test, which was able to detect dilutions up to 1:4,000.
    Results: There were 469 separate bloodstains on the gown and visor mask of oral surgeons, which came from 19 (76%) of 25 patients during impacted mandibular third molar surgery. Presumptive tests for invisible bloodstains resulted in 1,206 positive reactions, 2.57-fold greater than the visible stains, from 88% of the cases. All of the surgeons were right-handed and the common areas of staining were the right forearm, face, and thorax regions.
    Conclusions: Dental procedures with high-speed instruments exposed surgeons to possible blood-borne infections by splashing in nearly 90% of the cases. Greater than 50% of the stains were invisible to the naked eye. Based on our results, strict compliance with barrier precautions, including routine use of an operation gown and visor mask, is recommended whenever oral surgery is carried out with high-speed rotary instruments. (C) 2008 American Association of Oral and Maxillofacial Surgeons.

    DOI: 10.1016/j.joms.2007.06.663

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  • Conventional bone-anchored palatal distractor using an orthodontic palatal expander for the transverse maxillary distraction osteogenesis: technical note

    Seiji Iida, Seiji Haraguchi, Tomonao Aikawa, Kohtaro Yashiro, Masaya Okura, Mikihiko Kogo

    Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology   105 ( 2 )   e8 - e11   2008年2月

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    記述言語:英語  

    Objective: Surgical-assisted rapid palatal expansion includes various treatment procedures for solving transverse maxillary deficiencies, especially in cases with a matured palatal suture. Recent introduction of the concept of distraction osteogenesis has contributed to generalize this useful treatment and to develop some bone-borne devices that will not cause the problems found in cases treated by tooth-supported palatal expander. This report shows a conventional bone-borne distractor using commercially available orthodontic palatal expansion screws. Method: The distractor consists of 2 parts: one is a commercially available orthodontic palatal expansion screw (Hyrax type, Fan style) and another is a screw-ring, which is one of the attached parts of the mandibular distraction system. The bone screws are inserted transmucosally to the palatal bone via the screw-rings. Result: The palatal distractor can be applied to varied palatal shapes and can expand the palate without any trouble. Conclusion: This conventional palatal distractor may contribute to generalize the transpalatal maxillary distraction osteogenesis for cases with maxillary teeth problems. © 2008 Mosby, Inc. All rights reserved.

    DOI: 10.1016/j.tripleo.2007.08.022

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  • Conventional bone-anchored palatal distractor using an orthodontic palatal expander for the transverse maxillary distraction osteogenesis: technical note

    Seiji Iida, Seiji Haraguchi, Tomonao Aikawa, Kohtaro Yashiro, Masaya Okura, Mikihiko Kogo

    ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTOLOGY   105 ( 2 )   E8 - E11   2008年2月

     詳細を見る

    記述言語:英語   出版者・発行元:MOSBY-ELSEVIER  

    Objective. Surgical-assisted rapid palatal expansion includes various treatment procedures for solving transverse maxillary deficiencies, especially in cases with a matured palatal suture. Recent introduction of the concept of distraction osteogenesis has contributed to generalize this useful treatment and to develop some bone-borne devices that will not cause the problems found in cases treated by tooth-supported palatal expander. This report shows a conventional bone-borne distractor using commercially available orthodontic palatal expansion screws.
    Method. The distractor consists of 2 parts: one is a commercially available orthodontic palatal expansion screw ( Hyrax type, Fan style) and another is a screw-ring, which is one of the attached parts of the mandibular distraction system. The bone screws are inserted transmucosally to the palatal bone via the screw-rings.
    Result. The palatal distractor can be applied to varied palatal shapes and can expand the palate without any trouble.
    Conclusion. This conventional palatal distractor may contribute to generalize the transpalatal maxillary distraction osteogenesis for cases with maxillary teeth problems.

    DOI: 10.1016/j.tripleo.2007.08.022

    Web of Science

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  • Possible involvement of neurons in locus coeruleus in inhibitory effect on glossopharyngeal expiratory activity in a neonatal rat brainstem-spinal cord preparation in vitro

    Tadashi Yamanishi, Hidehiko Koizumi, Masashi Komaki, Kohji Ishihama, Tadafumi Adachi, Akifumi Enomoto, Kana Takao, Seiji Lida, Mikihiko Kogo

    NEUROSCIENCE RESEARCH   60 ( 1 )   2 - 9   2008年1月

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    記述言語:英語   出版者・発行元:ELSEVIER IRELAND LTD  

    In this study, we found that a certain motor branch of glossopharyngeal (IX) motor nerves stably exhibits not only inspiratory activity but also expiratory activity with pons removal in neonatal rat brainstem-spinal cord preparations in vitro. Because this finding indicates that IX expiratory activity is masked by an inhibitory mechanism operating in the pons, we sought to determine the candidate neurons that exert an inhibitory effect on IX expiratory activity. IX expiratory activity was observed when only the pons was perfused with noradrenaline (NA) or clonidine (alpha 2 adrenergic receptor agonist), but not when NA and yohimbine (alpha 2 adrenergic receptor antagonist) were perfused together. IX expiratory activity was also observed following the removal of the dorsal pons but not the ventral pons. The local administration of clonidine into the bilateral locus coeruleus (LC) evoked burst discharges during the expiratory phase in the IX motor rootlet. These results suggest that neurons in the LC that possess an a2 adrenergic receptor on the membrane surface exert a tonic inhibitory effect on IX expiratory activity in neonatal rat brainstem-spinal cord preparations. (c) 2007 Elsevier Ireland Ltd and the Japan Neuroscience Society. All rights reserved.

    DOI: 10.1016/j.neures.2007.09.001

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  • Possible involvement of neurons in locus coeruleus in inhibitory effect on glossopharyngeal expiratory activity in a neonatal rat brainstem-spinal cord preparation in vitro

    Tadashi Yamanishi, Hidehiko Koizumi, Masashi Komaki, Kohji Ishihama, Tadafumi Adachi, Akifumi Enomoto, Kana Takao, Seiji Lida, Mikihiko Kogo

    NEUROSCIENCE RESEARCH   60 ( 1 )   2 - 9   2008年1月

     詳細を見る

    記述言語:英語   出版者・発行元:ELSEVIER IRELAND LTD  

    In this study, we found that a certain motor branch of glossopharyngeal (IX) motor nerves stably exhibits not only inspiratory activity but also expiratory activity with pons removal in neonatal rat brainstem-spinal cord preparations in vitro. Because this finding indicates that IX expiratory activity is masked by an inhibitory mechanism operating in the pons, we sought to determine the candidate neurons that exert an inhibitory effect on IX expiratory activity. IX expiratory activity was observed when only the pons was perfused with noradrenaline (NA) or clonidine (alpha 2 adrenergic receptor agonist), but not when NA and yohimbine (alpha 2 adrenergic receptor antagonist) were perfused together. IX expiratory activity was also observed following the removal of the dorsal pons but not the ventral pons. The local administration of clonidine into the bilateral locus coeruleus (LC) evoked burst discharges during the expiratory phase in the IX motor rootlet. These results suggest that neurons in the LC that possess an a2 adrenergic receptor on the membrane surface exert a tonic inhibitory effect on IX expiratory activity in neonatal rat brainstem-spinal cord preparations. (c) 2007 Elsevier Ireland Ltd and the Japan Neuroscience Society. All rights reserved.

    DOI: 10.1016/j.neures.2007.09.001

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  • Tumor thickness and paralingual distance of coronal MR imaging predicts cervical node metastases in oral tongue carcinoma

    M. Okura, S. Iida, T. Aikawa, T. Adachi, N. Yoshimura, T. Yamada, M. Kogo

    AMERICAN JOURNAL OF NEURORADIOLOGY   29 ( 1 )   45 - 50   2008年1月

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    記述言語:英語   出版者・発行元:AMER SOC NEURORADIOLOGY  

    BACKGROUND AND PURPOSE: The presence of cervical lymph node metastases is an important prognostic factor for oral tongue cancer. The accurate preoperative assessment is essential for treatment. Several studies have suggested that histologic tumor thickness is related to the metastases. The aim of this study was to determine whether MR images of oral tongue tumor have the potential to predict cervical lymph node metastases.
    MATERIALS AND METHODS: A total of 43 patients with squamous cell carcinoma of the oral tongue were investigated. Tumor thickness, sublingual distance between tumor and sublingual space, and paralingual distance between tumor and paralingual space, as determined from coronal MR imaging, were preoperatively estimated. Logistic regression analysis was used to identify independent predictors of lymph node metastases.
    RESULTS: Univariate logistic regression analysis showed that T classification, N classification, and 3 measured MR imaging distances (millimeters) were significantly associated with lymph node metastases. Multivariate logistic regression analysis showed that tumor thickness (odds ratio, 1.34; 95% confidence interval [CI], 1.11-1.63; P <.005) and paralingual distance (odds ratio, 0.53; 95% Cl, 0.35-0.82; P <.005) were significant predictors for lymph node metastases. The probability of metastases was estimated with these models. The preoperative decision (20% probability) as to whether to perform neck dissection could be based on tumor thickness of >9.7 mm and paralingual distance of <5.2 mm.
    CONCLUSION: MR images provide satisfactory accuracy for the preoperative estimation of the tumor thickness and the paralingual distance, which are valuable for predicting cervical lymph node metastases.

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  • An uncommon cleft subtype of unilateral cleft lip and palate.

    Journal of Dental Research   87(2):164-168   2008年

  • Maxillary anterior segmental distraction osteogenesis with the Dynaform system for severe maxillary retrusion in cleft lip and palate

    Seiji Iida, Takakazu Yagi, Takashi Yamashiro, Masaya Okura, Kenji Takada, Mikihiko Kogo

    PLASTIC AND RECONSTRUCTIVE SURGERY   120 ( 2 )   508 - 516   2007年8月

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    記述言語:英語   出版者・発行元:LIPPINCOTT WILLIAMS & WILKINS  

    DOI: 10.1097/01.prs.0000267435.17767.0a

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  • Solitary congenital granular cell lesion of the tongue

    Hitomi Senoo, Seiji Iida, Mitsunobu Kishino, Noriyuki Namba, Tomonao Aikawa, Mikihiko Kogo

    ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTOLOGY   104 ( 1 )   E45 - E48   2007年7月

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    記述言語:英語   出版者・発行元:MOSBY-ELSEVIER  

    Congenital granular cell lesion (CGCL) is well known to appear as the congenital epulis, predominantly on the median maxillary alveolar ridge. This lesion rarely occurs on the tongue, and only 7 cases, including 4 cases with simultaneous occurrence on the alveolar ridge, have been reported in the English literature. In this report, we report a case of congenital granular cell lesion seen on the tongue. The patient was a 7-day-old Japanese girl who presented with a polypoid mass on the anterior ventral surface near the tip of the tongue. The lesion was excised at 4 months, and its histological examination revealed large granular cells. Immunochemical staining by S- 100 was negative, and it was diagnosed as congenital granular cell lesion.

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  • Solitary congenital granular cell lesion of the tongue

    Hitomi Senoo, Seiji Iida, Mitsunobu Kishino, Noriyuki Namba, Tomonao Aikawa, Mikihiko Kogo

    ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTOLOGY   104 ( 1 )   E45 - E48   2007年7月

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    記述言語:英語   出版者・発行元:MOSBY-ELSEVIER  

    Congenital granular cell lesion (CGCL) is well known to appear as the congenital epulis, predominantly on the median maxillary alveolar ridge. This lesion rarely occurs on the tongue, and only 7 cases, including 4 cases with simultaneous occurrence on the alveolar ridge, have been reported in the English literature. In this report, we report a case of congenital granular cell lesion seen on the tongue. The patient was a 7-day-old Japanese girl who presented with a polypoid mass on the anterior ventral surface near the tip of the tongue. The lesion was excised at 4 months, and its histological examination revealed large granular cells. Immunochemical staining by S- 100 was negative, and it was diagnosed as congenital granular cell lesion.

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  • Multiple leiomyomatous hamartoma in the oral cavity

    Seiji Iida, Mitsunobu Kishino, Hitomi Senoo, Masaya Okura, Ichijiro Morisaki, Mikihiko Kogo

    JOURNAL OF ORAL PATHOLOGY & MEDICINE   36 ( 4 )   241 - 244   2007年4月

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    記述言語:英語   出版者・発行元:BLACKWELL PUBLISHING  

    Leiomyomatous hamartoma (LH) is congenital lesion rarely seen in oral cavity. In English literature, all reported cases appeared as solitary lesion in alveolar ridge or the tongue, and there have never been a report showing a case of multiple occurrence of this lesion. A quite rare case of multiple LH occurred in a 2-year-old Japanese boy is presented. A polypoid lesion was presented at incisive papilla and two isolated lesions in the tongue dorsum, one appeared as a polypoid mass in the posterior dorsum and other as a small spindle-shaped agger in the anterior dorsum. All of them were histologically diagnosed as LH.

    DOI: 10.1111/j.1600-0714.2007.00518.x

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  • Maxillary distraction osteogenesis using the intraoral distractors and the full-covered tooth-supported maxillary splint

    Seiji Iida, Mikihiko Kogo, Tomonao Aikawa, Tomotake Masuda, Natsuko Yoshimura, Satoshi Adachi

    JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY   65 ( 4 )   813 - 817   2007年4月

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    記述言語:英語   出版者・発行元:W B SAUNDERS CO-ELSEVIER INC  

    DOI: 10.1016/j.joms.2005.10.062

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  • Maxillary distraction osteogenesis using the intraoral distractors and the full-covered tooth-supported maxillary splint

    Seiji Iida, Mikihiko Kogo, Tomonao Aikawa, Tomotake Masuda, Natsuko Yoshimura, Satoshi Adachi

    JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY   65 ( 4 )   813 - 817   2007年4月

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    記述言語:英語   出版者・発行元:W B SAUNDERS CO-ELSEVIER INC  

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  • Ossifying fibroma vs fibrous dysplasia of the jaw: molecular and immunological characterization

    Satoru Toyosawa, Michiko Yuki, Mitsunobu Kishino, Yuzo Ogawa, Takafumi Ueda, Shumei Murakami, Eiichi Konishi, Seiji Iida, Mikihiko Kogo, Toshihisa Komori, Yasuhiko Tomita

    MODERN PATHOLOGY   20 ( 3 )   389 - 396   2007年3月

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    記述言語:英語   出版者・発行元:NATURE PUBLISHING GROUP  

    Ossifying fibroma and fibrous dysplasia of the jaw are maxillofacial fibro-osseous lesions that should be distinguished each other by a pathologist because they show distinct patterns of disease progression. However, both lesions often show similar histological and radiological features, making distinction between the two a diagnostic dilemma. In this study, we performed immunological and molecular analyses of five ossifying fibromas, four cases of extragnathic fibrous dysplasia, and five cases of gnathic fibrous dysplasia with typical histological and radiographic features. First, we examined the difference between fibrous dysplasia and ossifying fibroma in the expression of Runx2 (which determined osteogenic differentiation from mesenchymal stem cells) and other osteogenic markers. Fibroblastic cells in fibrous dysplasia and ossifying fibroma showed strong Runx2 expression in the nucleus. The bone matrices of both lesions showed similar expression patterns for all markers tested except for osteocalcin. Immunoreactivity for osteocalcin was strong throughout calcified regions in fibrous dysplasia, but weak in ossifying fibroma lesions. Second, we performed PCR analysis with peptide nucleic acid (PNA) for mutations at the Arg(201) codon of the alpha subunit of the stimulatory G protein gene (GNAS), which has reported to be a marker for extragnathic fibrous dysplasia. All nine cases of extragnathic or gnathic fibrous dysplasia were positive for this mutation. On the other hand, none of the five cases of ossifying fibroma showed the mutation. These findings indicate that although fibrous dysplasia and ossifying fibroma are similar disease entities, especially in the demonstration of the osteogenic lineage in stromal fibroblast-like cells, they show distinct differences that can be revealed by immunohistochemical detection of osteocalcin expression. Furthermore, PCR analysis with PNA for GNAS mutations at the Arg(201) codon is a useful method to differentiate between fibrous dysplasia and ossifying fibroma.

    DOI: 10.1038/modpathol.3800753

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  • Ossifying fibroma vs fibrous dysplasia of the jaw: molecular and immunological characterization

    Satoru Toyosawa, Michiko Yuki, Mitsunobu Kishino, Yuzo Ogawa, Takafumi Ueda, Shumei Murakami, Eiichi Konishi, Seiji Iida, Mikihiko Kogo, Toshihisa Komori, Yasuhiko Tomita

    MODERN PATHOLOGY   20 ( 3 )   389 - 396   2007年3月

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    記述言語:英語   出版者・発行元:NATURE PUBLISHING GROUP  

    Ossifying fibroma and fibrous dysplasia of the jaw are maxillofacial fibro-osseous lesions that should be distinguished each other by a pathologist because they show distinct patterns of disease progression. However, both lesions often show similar histological and radiological features, making distinction between the two a diagnostic dilemma. In this study, we performed immunological and molecular analyses of five ossifying fibromas, four cases of extragnathic fibrous dysplasia, and five cases of gnathic fibrous dysplasia with typical histological and radiographic features. First, we examined the difference between fibrous dysplasia and ossifying fibroma in the expression of Runx2 (which determined osteogenic differentiation from mesenchymal stem cells) and other osteogenic markers. Fibroblastic cells in fibrous dysplasia and ossifying fibroma showed strong Runx2 expression in the nucleus. The bone matrices of both lesions showed similar expression patterns for all markers tested except for osteocalcin. Immunoreactivity for osteocalcin was strong throughout calcified regions in fibrous dysplasia, but weak in ossifying fibroma lesions. Second, we performed PCR analysis with peptide nucleic acid (PNA) for mutations at the Arg(201) codon of the alpha subunit of the stimulatory G protein gene (GNAS), which has reported to be a marker for extragnathic fibrous dysplasia. All nine cases of extragnathic or gnathic fibrous dysplasia were positive for this mutation. On the other hand, none of the five cases of ossifying fibroma showed the mutation. These findings indicate that although fibrous dysplasia and ossifying fibroma are similar disease entities, especially in the demonstration of the osteogenic lineage in stromal fibroblast-like cells, they show distinct differences that can be revealed by immunohistochemical detection of osteocalcin expression. Furthermore, PCR analysis with PNA for GNAS mutations at the Arg(201) codon is a useful method to differentiate between fibrous dysplasia and ossifying fibroma.

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  • Maxillary anterior segmental distraction osteogenesis with the dynaform system for severe maxillary retrusion in cleft lip and palate.

    Plast Reconstr Surg   120(2):508-516   2007年

  • ビスフォスフォネート剤と歯科治療

    大阪府歯科医師会雑誌   10,10-22   2007年

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  • Comparison of Surgical and Nonsurgical Treatment of Bilateral Condylar Fractures Based on Maximal Mouth Opening

    THE JOURNAL OF CRANIOMANDIBULAR PRACTCE   25; 16-22   2007年

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  • Comparison of Surgical and Nonsurgical Treatment of Bilateral Condylar Fractures Based on Maximal Mouth Opening

    THE JOURNAL OF CRANIOMANDIBULAR PRACTCE   25; 16-22   2007年

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  • A case of extragingival peripheral ameloblastoma in the buccal mucosa.

    Journal Oral Pathology and Medicine.   36(3):184-186   2007年

  • 口唇口蓋裂症例に対する上顎骨仮骨延長術 -Maxillary Anterior Segmental Distraction Osteogenesis-

    日本口腔科学会雑誌   56(1):9-11   2007年

  • Multiple leiomyomatous hamartoma in the oral cavity.

    Journal of Oral Pathology and Medicine   36:241-244   2007年

  • Metastasis to the submandibular gland in oral cavity carcinoma

    Masaya Okura, Takeshi Harada, Seiji Iida, Tomonao Aikawa, Mikihiko Kogo

    Oral Oncology Extra   42 ( 10 )   308 - 310   2006年11月

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    記述言語:英語  

    Because the submandibular gland is believed to have no intraparenchymal lymph nodes, preserving the submandibular gland for neck dissection and transferring the submandibular gland in order to prevent xerostomia induced by radiation therapy in patients with head and neck cancer have recently been described. We report a case of intraparenchymal metastasis in the submandibular gland 8 months after the initial intraoral excision of tongue cancer. This finding offers evidence that the submandibular gland includes intraparenchymal metastasis that can be involved with cancer. © 2006 Elsevier Ltd. All rights reserved.

    DOI: 10.1016/j.ooe.2006.10.001

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  • A new attachment for proximal segment positioning for bimaxillary dysgnathic surgery - Technical Note

    S Iida, T Reuther, T Aikawa, T Sakai, M Okura

    JOURNAL OF CRANIO-MAXILLOFACIAL SURGERY   34 ( 4 )   217 - 219   2006年6月

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    記述言語:英語   出版者・発行元:CHURCHILL LIVINGSTONE  

    Background: The frequent insertion of self-tapping screws for securing the proximal positioning plate in bimaxillary osteotomy often cause loosening of screws and plate, which produces incorrect repositioning. In this article, a newly developed base-attachment for a T-shaped proximal positioning plate for bimaxillary osteotomy is presented. Material: The base-attachment set consists of a titanium base-attachment and two titanium tapped screws. The attachment has a shallow depression having the same shape as the basal part of the positioning plate. Method: The base-attachment is secured by self-tapping screws until the end of the procedure, and the T-shaped proximal positioning plate is placed and secured by two titanium-tapped screws. Result: By using this base-attachment, the T-shaped plate can be easily placed repeatedly without difficulty. Conclusion: This base-attachment set may be useful for the frequently repositioned proximal plate in bimaxillary osteotomy. (C) 2006 European Association for Cranio-Maxillofacial Surgery.

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  • A new attachment for proximal segment positioning for bimaxillary dysgnathic surgery - Technical Note

    S Iida, T Reuther, T Aikawa, T Sakai, M Okura

    JOURNAL OF CRANIO-MAXILLOFACIAL SURGERY   34 ( 4 )   217 - 219   2006年6月

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    記述言語:英語   出版者・発行元:CHURCHILL LIVINGSTONE  

    Background: The frequent insertion of self-tapping screws for securing the proximal positioning plate in bimaxillary osteotomy often cause loosening of screws and plate, which produces incorrect repositioning. In this article, a newly developed base-attachment for a T-shaped proximal positioning plate for bimaxillary osteotomy is presented. Material: The base-attachment set consists of a titanium base-attachment and two titanium tapped screws. The attachment has a shallow depression having the same shape as the basal part of the positioning plate. Method: The base-attachment is secured by self-tapping screws until the end of the procedure, and the T-shaped proximal positioning plate is placed and secured by two titanium-tapped screws. Result: By using this base-attachment, the T-shaped plate can be easily placed repeatedly without difficulty. Conclusion: This base-attachment set may be useful for the frequently repositioned proximal plate in bimaxillary osteotomy. (C) 2006 European Association for Cranio-Maxillofacial Surgery.

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  • Repeated distraction osteogenesis for excessive vertical alveolar augmentation: A case report

    International Journal of Oral and Maxillofacial Implants   21,471-475   2006年

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  • Spherical mass beneath the alar base.-MR images of Nasolabial cyst and schwannoma -

    AJNR American Journal of Neuroradiology   2006年

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  • Multiple cemento-osseous dysplasia arising from impacted teeth-Report of a case associated with odontogenic lesions-

    Journal of Oral Pathology and Medicine   15,402-406   2006年

  • Multiple cemento-osseous dysplasia arising from impacted teeth-Report of a case associated with odontogenic lesions-

    Journal of Oral Pathology and Medicine   15,402-406   2006年

  • Spherical mass beneath the alar base.-MR images of Nasolabial cyst and schwannoma -

    AJNR American Journal of Neuroradiology   2006年

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  • Repeated distraction osteogenesis for excessive vertical alveolar augmentation: A case report

    International Journal of Oral and Maxillofacial Implants   21,471-475   2006年

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  • Metastasis to the submandibular gland in oral cavity carcinoma.

    42:308-310   2006年

  • Different corticostriatal projections from two parts of the cortical masticatory area in the rabbit

    Yuji Masuda, Seo Kwan Kim, Takafumi Kato, Seiji Iida, Atsushi Yoshida, Yoshihisa Tachibana, Toshifumi Morimoto

    Experimental Brain Research   161 ( 3 )   397 - 404   2005年3月

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    記述言語:英語  

    The cortical masticatory area (CMA) elicits rhythmic jaw movements in response to repetitive stimulation and is involved in the control of mastication. Based on jaw movement patterns, the CMA is divided into two parts. One is the part of the CMA in which a T-pattern similar to jaw movements during food transport in natural mastication is evoked by electrical stimulation. The other is more dorsomedially located, and during chewing a C-pattern similar to jaw movements can be induced. However, it is still not known which region of the putamen receives projections from the CMA and whether projections originate from both parts of the CMA. In this study, electrophysiological and histological experiments were undertaken in rabbits to investigate projections from the CMA to the putamen. Both experiments showed that the ventral region of the putamen received projections from the CMA. The density of the projections from the CMA area inducing the T-pattern seemed to be higher than that from the area inducing the C-pattern. Furthermore, the peak latency of the evoked potentials from stimulation of the CMA area inducing the T-pattern was shorter than that from stimulation of the area inducing the C-pattern. The data obtained from the present study indicate the functional role of the ventral region of the putamen in the regulation of mastication, and further suggest that the corticostriatal pathway is involved in the transition between behavioral jaw movement patterns. © Springer-Verlag 2004.

    DOI: 10.1007/s00221-004-2073-0

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  • Different corticostriatal projections from two parts of the cortical masticatory area in the rabbit

    Yuji Masuda, Seo Kwan Kim, Takafumi Kato, Seiji Iida, Atsushi Yoshida, Yoshihisa Tachibana, Toshifumi Morimoto

    Experimental Brain Research   161 ( 3 )   397 - 404   2005年3月

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    記述言語:英語  

    The cortical masticatory area (CMA) elicits rhythmic jaw movements in response to repetitive stimulation and is involved in the control of mastication. Based on jaw movement patterns, the CMA is divided into two parts. One is the part of the CMA in which a T-pattern similar to jaw movements during food transport in natural mastication is evoked by electrical stimulation. The other is more dorsomedially located, and during chewing a C-pattern similar to jaw movements can be induced. However, it is still not known which region of the putamen receives projections from the CMA and whether projections originate from both parts of the CMA. In this study, electrophysiological and histological experiments were undertaken in rabbits to investigate projections from the CMA to the putamen. Both experiments showed that the ventral region of the putamen received projections from the CMA. The density of the projections from the CMA area inducing the T-pattern seemed to be higher than that from the area inducing the C-pattern. Furthermore, the peak latency of the evoked potentials from stimulation of the CMA area inducing the T-pattern was shorter than that from stimulation of the area inducing the C-pattern. The data obtained from the present study indicate the functional role of the ventral region of the putamen in the regulation of mastication, and further suggest that the corticostriatal pathway is involved in the transition between behavioral jaw movement patterns. © Springer-Verlag 2004.

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  • Relationship of the risk of the mandibular angle fracture and the status of incompletely erupted mamdibular third molars

    J Cranio-Maxillofac Surg   33:158-163   2005年

  • Relationship of the risk of the mandibular angle fracture and the status of incompletely erupted mamdibular third molars

    J Cranio-Maxillofac Surg   33:158-163   2005年

  • Prototype of simulation of orthognathic surgery using a virtual reality haptic device

    T Sohmura, H Hojo, M Nakajima, K Wakabayashi, M Nagao, S Iida, T Kitagawa, M Kogo, T Kojima, K Matsumura, T Nakamura, J Takahashi

    INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY   33 ( 8 )   740 - 750   2004年12月

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    記述言語:英語   出版者・発行元:CHURCHILL LIVINGSTONE  

    A maxillofacial simulator can support education and training. In the present study, cutting, separation, and quantitative rearrangement of bone during orthognathic surgery were simulated by means of a haptic device with virtual tactile perception. Computed tomographic (CT) images of two patients with severe jaw deformity, one women and one man, were input into the device. In the woman, Le Fort I osteotomy of the maxilla and sagittal splitting ramus osteotomy of the mandible were initially simulated. During surgery with the haptic device, separation and rearrangement of the maxilla and the ramus of the mandible were initially processed. However, there was discrepancy and overlapping of the ramus with the mandible. Intraoral vertical osteotomy of the right ramus was then performed, with satisfactory results and less discrepancy and interference. The simulation was referred to at surgery, and satisfactory surgical assistance was postoperatively confirmed on CT images. The male patient had severe jaw deformity due to unequal growth between the ramuses, resulting in anterior crossbite. Sagittal splitting ramus osteotomy with rotation of the mandible was successfully simulated. Because of its versatility and functions, the present device was found to be useful for simulating various procedures for orthognathic surgery and thereby three-dimensionally determine surgical movements.

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  • Prototype of simulation of orthognathic surgery using a virtual reality haptic device

    T Sohmura, H Hojo, M Nakajima, K Wakabayashi, M Nagao, S Iida, T Kitagawa, M Kogo, T Kojima, K Matsumura, T Nakamura, J Takahashi

    INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY   33 ( 8 )   740 - 750   2004年12月

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    記述言語:英語   出版者・発行元:CHURCHILL LIVINGSTONE  

    A maxillofacial simulator can support education and training. In the present study, cutting, separation, and quantitative rearrangement of bone during orthognathic surgery were simulated by means of a haptic device with virtual tactile perception. Computed tomographic (CT) images of two patients with severe jaw deformity, one women and one man, were input into the device. In the woman, Le Fort I osteotomy of the maxilla and sagittal splitting ramus osteotomy of the mandible were initially simulated. During surgery with the haptic device, separation and rearrangement of the maxilla and the ramus of the mandible were initially processed. However, there was discrepancy and overlapping of the ramus with the mandible. Intraoral vertical osteotomy of the right ramus was then performed, with satisfactory results and less discrepancy and interference. The simulation was referred to at surgery, and satisfactory surgical assistance was postoperatively confirmed on CT images. The male patient had severe jaw deformity due to unequal growth between the ramuses, resulting in anterior crossbite. Sagittal splitting ramus osteotomy with rotation of the mandible was successfully simulated. Because of its versatility and functions, the present device was found to be useful for simulating various procedures for orthognathic surgery and thereby three-dimensionally determine surgical movements.

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  • Influence of the incompletely erupted lower third molar on mandibular angle and condylar fractures

    Seiji Iida, Kimiko Nomura, Masaya Okura, Mikihiko Kogo

    Journal of Trauma - Injury, Infection and Critical Care   57 ( 3 )   613 - 617   2004年9月

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    記述言語:英語  

    Background: Several studies have shown an increased risk of mandibular angle fractures by the presence of the lower third molar (M3), especially the incompletely erupted M3. The presence of M3s might influence condylar fractures, which is one of the most common fracture sites, as well as the angle fracture. Methods: Six hundred ninety-two mandibular sides among 346 patients with mandibular fracture were analyzed. They were classified into two groups according to the presence of incompletely erupted M3s and were analyzed according to fracture site, age, and cause of injury. Results: Among these patients with mandibular fractures, the frequency of occurrence of the mandibular angle fracture was higher in the group with incompletely erupted M3s (p &lt
    0.0001) and that of the condylar fracture was higher in the group without it (p &lt
    0.001). Conclusion: The result of this retrospective investigation shows that an incompletely erupted M3 decreases the risk of condylar fractures and increases the risk of mandibular angle fractures.

    DOI: 10.1097/01.TA.0000096647.36992.83

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  • Solitary osteochondroma of the mandibular symphysis

    E Tanaka, S Iida, H Tsuji, M Kogo, M Morita

    INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY   33 ( 6 )   625 - 626   2004年9月

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    記述言語:英語   出版者・発行元:CHURCHILL LIVINGSTONE  

    Osteochondroma is a benign neoplasm that usually develops in long. bones and very rarely occurs in craniofacial bones. Nearly all reported mandibular osteochondromas have arisen in the condyle and the coronoid process, and occurrence in other locations is extremely rare. We describe a case of osteochondroma arising from the inferior border of the mandibular symphysis.

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  • Solitary osteochondroma of the mandibular symphysis

    E Tanaka, S Iida, H Tsuji, M Kogo, M Morita

    INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY   33 ( 6 )   625 - 626   2004年9月

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    記述言語:英語   出版者・発行元:CHURCHILL LIVINGSTONE  

    Osteochondroma is a benign neoplasm that usually develops in long. bones and very rarely occurs in craniofacial bones. Nearly all reported mandibular osteochondromas have arisen in the condyle and the coronoid process, and occurrence in other locations is extremely rare. We describe a case of osteochondroma arising from the inferior border of the mandibular symphysis.

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  • Maxillofacial fractures sustained during sports played with a ball

    C Delilbasi, M Yamazawa, K Nomura, S Iida, M Kogo

    ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTICS   97 ( 1 )   23 - 27   2004年1月

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    記述言語:英語   出版者・発行元:MOSBY, INC  

    Objective. The aim of this study was to investigate the incidence and type of maxillofacial fractures caused by various sports played with a ball to better understand the nature of these fractures.
    Study design. Retrospective study was carried out using records from 100 patients treated between 1986-2002. Age and sex, etiology, and site of the fracture, yearly and monthly distribution of the fractures, and treatment modality were analyzed.
    Results. The fractures mostly resulted from baseball (44%), followed by rugby (28%) and soccer (18%). The highest incidence was in the 10- to 19-year age-group with male propensity. The most common cause of the fractures was impact against another player (43%). The majority of the patients suffered from mandibular fractures (56%), followed by midface (31%) and alveolar fractures (12%). Mandibular angle, zygoma, and zygomatic arch fractures were prominent for rugby fractures. A yearly comparison of the fracture incidence showed a gradual decrease over the 16-year period. Fractures had a peak incidence in autumn. 55% of the patients were treated surgically. Surgical intervention was mostly needed for patients sustaining fractures during soccer (72.2%).
    Conclusions. Among ball-related sports, baseball is responsible for most of the maxillofacial fractures, but, although the incidence is not that high, soccer-related fractures may be more severe due to the nature of this sport.

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  • Maxillofacial fractures sustained during sports played with a ball

    C Delilbasi, M Yamazawa, K Nomura, S Iida, M Kogo

    ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTICS   97 ( 1 )   23 - 27   2004年1月

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    記述言語:英語   出版者・発行元:MOSBY, INC  

    Objective. The aim of this study was to investigate the incidence and type of maxillofacial fractures caused by various sports played with a ball to better understand the nature of these fractures.
    Study design. Retrospective study was carried out using records from 100 patients treated between 1986-2002. Age and sex, etiology, and site of the fracture, yearly and monthly distribution of the fractures, and treatment modality were analyzed.
    Results. The fractures mostly resulted from baseball (44%), followed by rugby (28%) and soccer (18%). The highest incidence was in the 10- to 19-year age-group with male propensity. The most common cause of the fractures was impact against another player (43%). The majority of the patients suffered from mandibular fractures (56%), followed by midface (31%) and alveolar fractures (12%). Mandibular angle, zygoma, and zygomatic arch fractures were prominent for rugby fractures. A yearly comparison of the fracture incidence showed a gradual decrease over the 16-year period. Fractures had a peak incidence in autumn. 55% of the patients were treated surgically. Surgical intervention was mostly needed for patients sustaining fractures during soccer (72.2%).
    Conclusions. Among ball-related sports, baseball is responsible for most of the maxillofacial fractures, but, although the incidence is not that high, soccer-related fractures may be more severe due to the nature of this sport.

    DOI: 10.1016/j.tripleo.2003.10.008

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  • Influence of the incompletely erupted lower third molar on mandibular angle and condylar fractures.

    J Trauma. 57(3):613-7.   57(3):613-7   2004年

  • 下顎管の異常走行に対して下顎枝逆L字型骨切リ術変法を施行した下顎前突症の1例

    日本口腔外科学会雑誌   2004年

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  • HEINEMANN DENTAL DICTIONARY 4th ed.

    Elsevier Scienvce   2004年

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  • ハイネマン 歯科英和辞典 第2版

    医歯薬出版株式会社   2004年

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  • Maxillofacial fractures resulting from falls

    S Iida, S Hassfeld, T Reuther, HG Schweigert, C Haag, J Klein, J Muhling

    JOURNAL OF CRANIO-MAXILLOFACIAL SURGERY   31 ( 5 )   278 - 283   2003年10月

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    記述言語:英語   出版者・発行元:CHURCHILL LIVINGSTONE  

    Objective: This study was performed to clarify the characteristics of facial fractures caused by falls with a particular focus on aetiology. Patients: Of 505 patients with facial fractures treated in the Department of Oral and Maxillofacial/Craniofacial Surgery, Heidelberg University Hospital from January 1997 to May 2001, 129 patients injured by falls were analysed. Study design: Aetiological analysis was performed according to falling patterns. Results: The distribution of age showed two peaks in the 4th and 8th decades, and the male to female ratio was 1.1:1, unlike the overall facial fracture ratio of 3:1. Seventy-six patients had fallen from standing height or less and 44 patients had fallen from greater heights. The former cases were more often seen in older females. More severe injuries tend to be seen in the patients who have fallen from greater heights, and in the cases associated with acute medical disorders. Conclusion: This retrospective study documents the higher risk of fractures in older females and the higher risk of severe injury in those patients who were unconscious. This is in agreement with recent orthopaedic studies. (C) 2003 European Association for Cranio-Maxillofacial Surgery.

    DOI: 10.1016/S1010-5182(03)00069-6

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  • Secondary rhinoplasty using flying-bird and vestibular tornado incisions for unilateral cleft lip patients

    T Matsuya, S Iida, M Kogo

    PLASTIC AND RECONSTRUCTIVE SURGERY   112 ( 2 )   390 - 395   2003年8月

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    記述言語:英語   出版者・発行元:LIPPINCOTT WILLIAMS & WILKINS  

    To correct the nasal deformity in cleft lip patients, a new procedure of open rhinoplasty using a "flying-bird" incision in the nostril tip with a vestibule "tornado" shaped incision in the cleft side is presented. The newly designed vestibular incision produces effective vestibular advancement with the freed lower lateral cartilage. The flying-bird incision makes it possible to produce a suitable nostril tip appearance with symmetrical external nostril vestibules. If the vestibular defect after flap advancement is wide, a full-thickness skin graft is used to give priority for making a good external nostril shape. This procedure is useful for most cleft lip noses, particularly in cases of moderate to severe deformity.

    DOI: 10.1097/01.PRS.0000070723.17041.4D

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  • Secondary rhinoplasty using flying-bird and vestibular tornado incisions for unilateral cleft lip patients

    T Matsuya, S Iida, M Kogo

    PLASTIC AND RECONSTRUCTIVE SURGERY   112 ( 2 )   390 - 395   2003年8月

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    記述言語:英語   出版者・発行元:LIPPINCOTT WILLIAMS & WILKINS  

    To correct the nasal deformity in cleft lip patients, a new procedure of open rhinoplasty using a "flying-bird" incision in the nostril tip with a vestibule "tornado" shaped incision in the cleft side is presented. The newly designed vestibular incision produces effective vestibular advancement with the freed lower lateral cartilage. The flying-bird incision makes it possible to produce a suitable nostril tip appearance with symmetrical external nostril vestibules. If the vestibular defect after flap advancement is wide, a full-thickness skin graft is used to give priority for making a good external nostril shape. This procedure is useful for most cleft lip noses, particularly in cases of moderate to severe deformity.

    DOI: 10.1097/01.PRS.0000070723.17041.4D

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  • Soft palate movement during sucking behavior

    Seiji Iida, T. Harada, M. Okamoto, Y. Inada, M. Kogo, Y. Masuda

    Dysphagia   18 ( 2 )   96 - 100   2003年3月

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    記述言語:英語  

    To clarify the aspects and role of oropharyngeal closure, soft palate movements during sucking were observed and then assessed by electromyographic and fluoroscopic analyses. Three patterns of sucking movements by the palatoglossus and levator veli palatini muscles were analyzed with electromyographic means in seven healthy adults. Furthermore, a forced sucking maneuver, which required special effort to produce a strong sucking pressure by opening the jaw, was analyzed using lateral fluoroscopy in three of the subjects. During all tested sucking movements, the palatoglossus muscle showed continuous activity. The levator veli palatini muscle did not show remarkable activity during regular air sucking or water sucking when water was held in the oral cavity. However, its participation increased when intraoral sucking pressure was increased by opening the jaw, and lateral fluoroscopic examinations revealed that the soft palate was pulled toward the oral cavity to form a tight contact between the rostral portion of the soft palate and the retrotongue, causing the soft palate to make an "L" shape. The palatoglossus muscle plays a major role in palatal movement during sucking. Furthermore, the levator veli palatini muscle, whose activity was observed only during high-pressure sucking with an open jaw, may act to maintain tension in the soft palate against strong negative pressure in the oral cavity.

    DOI: 10.1007/s00455-002-0090-3

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  • Soft palate movement during sucking behavior

    Seiji Iida, T. Harada, M. Okamoto, Y. Inada, M. Kogo, Y. Masuda

    Dysphagia   18 ( 2 )   96 - 100   2003年3月

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    記述言語:英語  

    To clarify the aspects and role of oropharyngeal closure, soft palate movements during sucking were observed and then assessed by electromyographic and fluoroscopic analyses. Three patterns of sucking movements by the palatoglossus and levator veli palatini muscles were analyzed with electromyographic means in seven healthy adults. Furthermore, a forced sucking maneuver, which required special effort to produce a strong sucking pressure by opening the jaw, was analyzed using lateral fluoroscopy in three of the subjects. During all tested sucking movements, the palatoglossus muscle showed continuous activity. The levator veli palatini muscle did not show remarkable activity during regular air sucking or water sucking when water was held in the oral cavity. However, its participation increased when intraoral sucking pressure was increased by opening the jaw, and lateral fluoroscopic examinations revealed that the soft palate was pulled toward the oral cavity to form a tight contact between the rostral portion of the soft palate and the retrotongue, causing the soft palate to make an "L" shape. The palatoglossus muscle plays a major role in palatal movement during sucking. Furthermore, the levator veli palatini muscle, whose activity was observed only during high-pressure sucking with an open jaw, may act to maintain tension in the soft palate against strong negative pressure in the oral cavity.

    DOI: 10.1007/s00455-002-0090-3

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  • Soft palate movement during sucking behavior

    Seiji Iida, T. Harada, M. Okamoto, Y. Inada, M. Kogo, Y. Masuda

    Dysphagia   18 ( 2 )   96 - 100   2003年3月

     詳細を見る

    記述言語:英語  

    To clarify the aspects and role of oropharyngeal closure, soft palate movements during sucking were observed and then assessed by electromyographic and fluoroscopic analyses. Three patterns of sucking movements by the palatoglossus and levator veli palatini muscles were analyzed with electromyographic means in seven healthy adults. Furthermore, a forced sucking maneuver, which required special effort to produce a strong sucking pressure by opening the jaw, was analyzed using lateral fluoroscopy in three of the subjects. During all tested sucking movements, the palatoglossus muscle showed continuous activity. The levator veli palatini muscle did not show remarkable activity during regular air sucking or water sucking when water was held in the oral cavity. However, its participation increased when intraoral sucking pressure was increased by opening the jaw, and lateral fluoroscopic examinations revealed that the soft palate was pulled toward the oral cavity to form a tight contact between the rostral portion of the soft palate and the retrotongue, causing the soft palate to make an "L" shape. The palatoglossus muscle plays a major role in palatal movement during sucking. Furthermore, the levator veli palatini muscle, whose activity was observed only during high-pressure sucking with an open jaw, may act to maintain tension in the soft palate against strong negative pressure in the oral cavity.

    DOI: 10.1007/s00455-002-0090-3

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  • Secondary rhinoplasty using flying-bird and vestibular tornado incisions for unilateral cleft lip patients.

    Plast Reconstr Surg.112(2):390-5.   (2):390-5   2003年

  • Effects of subglottal air pressure on velopharyngeal muscle activity in dogs.

    Cleft Palate Craniofac J.   40(4):351-5.   2003年

  • Effects of subglottal air pressure on velopharyngeal muscle activity in dogs.

    Cleft Palate Craniofac J. 40(4):351-5.   40(4):351-5   2003年

  • Effect of subglottal air pressure on velopharyngeal muscle activity in dog "jointly worked"

    Cleft Palate-Craniofac. J   40 351-355   2003年

  • Investigation of CXCR4 in squamous cell carcinoma "jointly worked"

    Oral Oncology   2003年

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  • Effects of subglottal air pressure on velopharyngeal muscle activity in dogs.

    Cleft Palate Craniofac J. 40(4):351-5.   40(4):351-5   2003年

  • Effects of subglottal air pressure on velopharyngeal muscle activity in dogs.

    Cleft Palate Craniofac J.   40(4):351-5.   2003年

  • Desmoplastic ameloblastoma with large cystic change in the maxillary sinus: Report of a case

    Seiji Iida, Mikihiko Kogo, Mitsunobu Kishino, Tokuzo Matsuya

    Journal of Oral and Maxillofacial Surgery   60 ( 10 )   1195 - 1198   2002年10月

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  • Desmoplastic ameloblastoma with large cystic change in the maxillary sinus: Report of a case

    Seiji Iida, Mikihiko Kogo, Mitsunobu Kishino, Tokuzo Matsuya

    Journal of Oral and Maxillofacial Surgery   60 ( 10 )   1195 - 1198   2002年10月

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  • Desmoplastic ameloblastoma with large cystic change in the maxillary sinus: Report of a case

    S Iida, M Kogo, M Kishino, T Matsuya

    JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY   60 ( 10 )   1195 - 1198   2002年10月

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    記述言語:英語   出版者・発行元:W B SAUNDERS CO  

    DOI: 10.1053/joms.2002.35033

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  • Paediatric maxillofacial fracture –their aetiological characters and fracture patterns-.

    J CranioMaxillofac Surg   30 ( 4 )   237 - 241   2002年8月

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  • Paediatric maxillofacial fractures: their aetiological characters and fracture patterns

    S Iida, T Matsuya

    JOURNAL OF CRANIO-MAXILLOFACIAL SURGERY   30 ( 4 )   237 - 241   2002年8月

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    記述言語:英語   出版者・発行元:CHURCHILL LIVINGSTONE  

    Objective: Paediatric maxillofacial fractures are not common and carry different clinical features when compared with adults. To clarify the differences of aetiology and patterns of fractures in paediatric patients, a clinical retrospective analysis was performed. Patients: One hundred seventy-four paediatric patients younger than 16 years of age treated in the First Department of Oral and Maxillofacial Surgery, Osaka University Dental Hospital during a 15-year period were analysed. Study design: Age, sex, fracture patterns, incidence, common locations of the mandibular fractures and treatment were studied according to the patients' charts and radiographs. Results: The ratio of boys to girls was 2: 1 and the largest age subgroup was 15-years old. The most common cause of injury was bicycle accidents (26%), followed by falls (25%). The distribution of causes and ages revealed that the incidence of the fall-related injuries decreased in patients older than 10 years, and assaults became a common cause in patients older than 12 years. The yearly distribution showed a decrease of the group between 6 and 10 years and of bicycle-related accidents in the last 5-year period (1992-1996). Mandibular fractures were most common (56%), followed by fractures of the alveolar process (31%). Condylar fracture was common in children younger than 14 years, especially in those below 6 years. Fractures of the mandibular angle were the most common in those above 13 years. Conclusion: These results document that the aetiological characters and patterns of paediatric maxillofacial fractures gradually shifted towards those found in adolescents. (C) 2002 European Association for Cranio-Maxillofacial Surgery. Published by Elsevier Science Ltd. All rights reserved

    DOI: 10.1054/jcms.2002.0295

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  • Retrospektive Analyse von Frakturen des Viszerokraniums nach Sturztraumen in einem japanischen Patientenkollektiv.

    Mund Kiefer GesichtsChir   6. 421-426   2002年

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  • Paediatric maxillofacial fracture –their aetiological characters and fracture patterns-.

    J CranioMaxillofac Surg   30. 237-241   2002年

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  • Retrospektive Analyse von Frakturen des Viszerokraniums nach Sturztraumen in einem japanischen Patientenkollektiv

    Mund- Kiefer- und GesichtsChirurgie 6(6):421-426.   6(6):421-426   2002年

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  • Retrospektive Analyse von Frakturen des Viszerokraniums nach Sturztraumen in einem japanischen Patientenkollektiv.

    Mund Kiefer GesichtsChir   6. 421-426   2002年

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  • Retrospective analysis of facial fractures related to falls in 260 Japanese patients

    Mund- Kiefer- und GesichtsChirurgie 6(6):421-426.   6(6):421-426   2002年

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  • Desmoplastic Ameloblastoma with large cystic change in the maxillary sinus.

    J Oral Maxillofacial Surg   60. 1195-1198   2002年

  • Paediatric maxillofacial fractures: Their aetiological characters and fracture patterns

    Seiji Iida, Tokuzo Matsuya

    Journal of Cranio-Maxillofacial Surgery   30 ( 4 )   237 - 241   2002年

     詳細を見る

    記述言語:英語   出版者・発行元:Churchill Livingstone  

    Objective: Paediatric maxillofacial fractures are not common and carry different clinical features when compared with adults. To clarify the differences of aetiology and patterns of fractures in paediatric patients, a clinical retrospective analysis was performed. Patients: One hundred seventy-four paediatric patients younger than 16 years of age treated in the First Department of Oral and Maxillofacial Surgery, Osaka University Dental Hospital during a 15-year period were analysed. Study design: Age, sex, fracture patterns, incidence, common locations of the mandibular fractures and treatment were studied according to the patients' charts and radiographs. Results: The ratio of boys to girls was 2:1 and the largest age subgroup was 15-years old. The most common cause of injury was bicycle accidents (26%), followed by falls (25%). The distribution of causes and ages revealed that the incidence of the fall-related injuries decreased in patients older than 10 years, and assaults became a common cause in patients older than 12 years. The yearly distribution showed a decrease of the group between 6 and 10 years and of bicycle-related accidents in the last 5-year period (1992-1996). Mandibular fractures were most common (56%), followed by fractures of the alveolar process (31%). Condylar fracture was common in children younger than 14 years, especially in those below 6 years. Fractures of the mandibular angle were the most common in those above 13 years. Conclusion: These results document that the aetiological characters and patterns of paediatric maxillofacial fractures gradually shifted towards those found in adolescents. © 2002 European Association for Cranio-Maxillofacial Surgery. Published by Elsevier Science Ltd. All rights reserved.

    DOI: 10.1054/jcms.2002.0295

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  • Plunging ranula as a complication of intraoral removal of a submandibular sialolith

    S Iida, M Kogo, G Tominaga, T Matsuya

    BRITISH JOURNAL OF ORAL & MAXILLOFACIAL SURGERY   39 ( 3 )   214 - 216   2001年6月

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    記述言語:英語   出版者・発行元:CHURCHILL LIVINGSTONE  

    Mucous cysts in the submandibular region-so-called 'plunging' ranula-are relatively uncommon. We report a case of a plunging ranula that complicated excision of an intraductal sialolith of the submandibular gland. (C) 2001 The British Association of Oral and Maxillofacial Surgeons.

    DOI: 10.1054/bjom.2001.0621

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  • Plunging ranula as a complication of intraoral removal of a submandibular sialolith

    S Iida, M Kogo, G Tominaga, T Matsuya

    BRITISH JOURNAL OF ORAL & MAXILLOFACIAL SURGERY   39 ( 3 )   214 - 216   2001年6月

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    記述言語:英語   出版者・発行元:CHURCHILL LIVINGSTONE  

    Mucous cysts in the submandibular region-so-called 'plunging' ranula-are relatively uncommon. We report a case of a plunging ranula that complicated excision of an intraductal sialolith of the submandibular gland. (C) 2001 The British Association of Oral and Maxillofacial Surgeons.

    DOI: 10.1054/bjom.2001.0621

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  • Retrospective analysis of 1502 patients with facial fractures.

    Int J Oral Maxillofac Surg   30. 286-290.   2001年

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  • 口唇口蓋裂患者の顔面の改善に対する化粧の効果.

    Cosmetology   9.142‐147   2001年

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  • Intraoral Distractor(LEIBINGER)による下顎骨仮骨延長術を適用した第1第2鰓弓症候群の1例.(共著)

    大阪大学歯学会雑誌   46.27‐30   2001年

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  • 軟口蓋裂を伴ったCATCH22症候群の3例(共著)

    日本口腔外科学会雑誌   47.447‐450   2001年

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  • 鼻翼の挙上をきたした球状上顎嚢胞の一例.(共著)

    大阪大学歯学会雑誌   46.36‐39   2001年

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  • Retrospective analysis of 1502 patients with facial fractures

    International Journal of Oral and Maxillofacial Surgery 30(4):286-90   30(4):286-90   2001年

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  • Retrospective analysis of 1502 patients with facial fractures.

    Int J Oral Maxillofac Surg   30. 286-290   2001年

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  • Retrospective analysis of 1502 patients with facial fractures

    S. Iida, M. Kogo, T. Sugiura, T. Mima, T. Matsuya

    International Journal of Oral and Maxillofacial Surgery   30 ( 4 )   286 - 290   2001年

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    記述言語:英語   出版者・発行元:Blackwell Munksgaard  

    A total of 1502 patients with facial fractures treated between 1981 and 1996 were retrospectively analysed. The male: female ratio was 2.8:1 and the largest subgroup of patients was between 10 and 29 years of age. The most common cause of injury was traffic accidents (52%) involving motorcycles, bicycles or automobiles. Other common causes included, in descending order, falls (16.6%), assaults (15.5%) and sports (9.7%). Isolated mandibular fractures were most common (56.9%), followed by isolated midface fractures (25.9%). The percentage of fractures involving both the midface and mandible was 6.7, and that of isolated alveolar fractures was 10.5.

    DOI: 10.1054/ijom.2001.0056

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  • Migration of a dental implant into the maxillary sinus - A case report

    S Iida, N Tanaka, M Kogo, T Matsuya

    INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY   29 ( 5 )   358 - 359   2000年10月

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    記述言語:英語   出版者・発行元:MUNKSGAARD INT PUBL LTD  

    This article reports a rare case of a displaced dental implant that migrated into the maxillary sinus.

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  • Migration of a dental implant into the maxillary sinus - A case report

    S Iida, N Tanaka, M Kogo, T Matsuya

    INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY   29 ( 5 )   358 - 359   2000年10月

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    記述言語:英語   出版者・発行元:MUNKSGAARD INT PUBL LTD  

    This article reports a rare case of a displaced dental implant that migrated into the maxillary sinus.

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  • Effect of norepinephrine receptors on trigeminal rhythm generation in new born rats.(共著)

    Brain Research Bulletin   53 ( 2 )   171 - 174   2000年9月

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  • Role of the Superior Pharyngeal Constrictor muscle in forced breathing in dogs(共著)

    The Cleft Palate-Craniofacial Journal   37 ( 3 )   197 - 204   2000年

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  • 歯性上顎洞炎に関する臨床的・X線学的検討.(共著)

    大阪大学歯学会雑誌   44.113-118   2000年

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  • Role of the superior pharyngeal constrictor muscle in forced breathing in dogs

    Cleft Palate Craniofac J   37, 197-204   2000年

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  • Role of the Superior Pharyngeal Constrictor muscle in forced breathing in dogs"jointly worked"

    The Cleft Palate-Craniofacial Journal   37 ( 3 )   197 - 204   2000年

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  • Unusual periosteal reaction caused by an accidentally displaced dental root.

    International Journal of Oral and Maxillofacial Surgery   29 ( 1 )   72   2000年

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  • Effect of norepinephrine receptors on trigeminal rhythm generation in new born rats. "jointly worked"

    Brain Research Bulletin   53 ( 2 )   171 - 174   2000年

  • Role of the superior pharyngeal constrictor muscle in forced breathing in dogs

    Cleft Palate Craniofac J   37, 197-204   2000年

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  • Unusual periosteal reaction caused by an accidentally displaced dental root.

    International Journal of Oral and Maxillofacial Surgery   29 ( 1 )   72   2000年

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  • 顔面正貌写真を用いた片側性唇顎口蓋裂症例の術後外鼻形態の対称性に関する検討-口唇形成術式ならびにHotz床装着の影響-(共著)

    大阪大学歯学雑誌   44 ( 1 )   9 - 14   1999年

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  • Changes of arterial oxygen saturation (SpO(2)) following push-back operation

    S Iida, M Kogo, S Ishii, H Kohara, T Matsuya

    INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY   27 ( 6 )   425 - 427   1998年12月

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    記述言語:英語   出版者・発行元:MUNKSGAARD INT PUBL LTD  

    This study showed the influence of the push-back operation on the occurrence of sleep-related apnea in cleft-palate patients with an analysis of arterial oxygen saturation (SpO(2)) during sleep, polygraphic analysis of nasal air flow, and chest wall movements. The postoperative SpO(2) was lower than that of the presurgical period in all cases, requiring from five to nine days to recover to presurgical levels. According to polygraphic analysis this depression of SpO(2) was caused by peripheral obstructive apnea, while, in spite of the cessation of nasal airflow, chest wall movement continued.

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  • Changes of arterial oxygen saturation (SpO(2)) following push-back operation

    S Iida, M Kogo, S Ishii, H Kohara, T Matsuya

    INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY   27 ( 6 )   425 - 427   1998年12月

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    記述言語:英語   出版者・発行元:MUNKSGAARD INT PUBL LTD  

    This study showed the influence of the push-back operation on the occurrence of sleep-related apnea in cleft-palate patients with an analysis of arterial oxygen saturation (SpO(2)) during sleep, polygraphic analysis of nasal air flow, and chest wall movements. The postoperative SpO(2) was lower than that of the presurgical period in all cases, requiring from five to nine days to recover to presurgical levels. According to polygraphic analysis this depression of SpO(2) was caused by peripheral obstructive apnea, while, in spite of the cessation of nasal airflow, chest wall movement continued.

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  • Contraction properties of the superior pharyngeal constrictor muscle"jointly worked"

    The Cleft Palate-Craniofacial Journal   35 ( 6 )   526   1998年

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  • Contraction properties of the superior pharyngeal constrictor muscle(共著)

    The Cleft Palate-Craniofacial Journal   35 ( 6 )   526   1998年

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  • スポーツに起因した頚顔面骨骨折146症例の臨床的観察-経年的変遷と好発部位を中心とした検討-

    飯田征二, 野村公子, 杉浦剛, 中島昌宗, 足立忠文, 古郷幹彦, 松矢篤三

    日本口腔外科学会雑誌   44 ( 10 )   805 - 807   1998年

  • 下顎枝後縁把持鈎の試作と関節突起骨折観血的整復固定術への応用

    飯田 征二, 古郷 幹彦, 松矢 篤三, 美馬 孝至, 杉 政和, 中原 寛和

    日本口腔外科学会雑誌   44 ( 4 )   412 - 414   1998年

  • Measurement of velophageal movements induced by isolated stimulation of levator veli palatini and pharyngeal constrictor muscles "jointly worked"

    Journal of Dental Research   76 ( 11 )   1745   1997年

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  • Measurement of velophageal movements induced by isolated stimulation of levator veli palatini and pharyngeal constrictor muscles.(共著)

    Journal of Dental Research   76 ( 11 )   1745   1997年

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  • Breast feeding for cleft lip and palate patients, using the Hotz-type plate.(共著)

    The Cleft Palate-Craniofacial Journal   34,4,351-   1997年

  • Breast feeding for cleft lip and palate patients, using the Hotz-type plate. "jointly worked"

    The Cleft Palate-Craniofacial Journal   34 ( 4 )   351   1997年

  • Activities of superior pharyngeal constrictor and levator veli palatini muscles related to respiration in dog. (共著)

    The Cleft Palate-Craniofacial Journal   34.4,338-   1997年

  • Activities of superior pharyngeal constrictor and levator veli palatini muscles related to respiration in dog "jointly worked"

    The Cleft Palate-Craniofacial Journal   34 ( 4 )   338   1997年

  • 両側性に発生した耳下腺唾石症の1例(共著)

    阪井 丘芳, 飯田 征二, 竹田 宗弘, 西村 則彦, 木村 哲雄

    日本口腔科学会雑誌   46 ( 2 )   187 - 190   1997年

  • ラグスクリューシステム(Martin-Eckelt)を用いた顎関節突起骨折の治療経験

    飯田 征二, 西村 則彦, 竹田 宗弘, 大倉 正也, 浜口 裕弘, 阪井 丘芳, 沖村 真, 木村 哲雄

    日本口腔外科学会雑誌   43 ( 12 )   927 - 929   1997年

  • 横顔裂に対する口角形成の工夫

    飯田 征二, 松矢 篤三, 古郷 幹彦, 大倉 正也, 藤本 佳之, 中原 寛和

    日本口腔科学会雑誌   46 ( 4 )   393 - 396   1997年

  • 片側性横顔裂の6例

    飯田 征二, 古郷 幹彦, 岡田 元, 田中 晋, 平沼 勉, 石浜 孝二, 富永 仰, 竹田 宗弘, 松矢 篤三

    日本口腔外科学会雑誌   43 ( 4 )   373 - 375   1997年

  • 耳介周囲に発現した石灰化上皮腫の2例(共著)

    西村 則彦, 飯田 征二, 竹田 宗弘, 阪井 丘芳, 山岡 仁雄, 木村 哲雄

    日本口腔外科学会雑誌   42 ( 7 )   693 - 695   1996年

  • 口蓋形成術後に生じた閉塞型睡眠時無呼吸症候群の1例(共著)

    日本口蓋裂学会雑誌   21 ( 3 )   150   1996年

  • 当科で入院加療を行った顎顔面骨骨折の臨床統計的観察(共著)

    大阪大学歯学雑誌   41 ( 1 )   232   1996年

     詳細を見る

  • 咽頭弁移植後に改善を認めなかった鼻咽腔閉鎖不全症に対するUnified Velopharyngoplasty(UVP)法による咽頭弁形成術(共著)

    舘村 卓, 原 久永, 和田 健, 飯田 征二, 古郷 幹彦, 松矢 篤三

    日本口腔外科学会雑誌   42 ( 3 )   320 - 322   1996年

  • 口蓋裂を伴った第1,第2鰓弓症候群(Hemifacial Microsomia)の1例(共著)

    内田 吉保, 飯田 征二, 古郷 幹彦, 岡田 元, 舘村 卓, 松矢 篤三

    日本口腔外科学会雑誌   42 ( 4 )   457 - 459   1996年

  • 口腔扁平上皮癌患者の栄養学的評価-術前化学療法(POMP療法)を施行した症例の検討-

    飯田 征二, 白砂 兼光, 足立 忠文, 小倉 孝文, 古郷 幹彦, 平沼 勉, 松矢 篤三

    日本口腔科学会雑誌   45 ( 1 )   67 - 71   1996年

  • 顎下腺唾石の発生部位と臨床症状

    飯田征二, 古郷幹彦, 大倉正也, 相川友直, 志方恵, 石井庄一郎, 田中晋, 竹村日登美, 松矢篤三

    日本口腔外科学会雑誌   41 ( 10 )   890 - 892   1995年

  • Amputation neurome following radical Neck dissection-Report of 3 Cases-

    Journal of Osaka University Dental School   35,1-4   1995年

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  • 口腔外科領域におけるトスキサシン錠の(トシル酸トスフロキサシン)の臨床的検討(共著)

    歯界展望   85 ( 6 )   1479   1995年

     詳細を見る

  • Amputation neurome following radical Neck dissection-Report of 3 Cases-

    Journal of Osaka University Dental School   35   1   1995年

     詳細を見る

  • 口蓋裂を伴ったKlippel-Feil症候群の1例(共著)

    大阪大学歯学雑誌   40 ( 1 )   346   1995年

     詳細を見る

  • 頬部リンパ管腫再発症例の1治験例

    大阪大学歯学雑誌   40 ( 2 )   452   1995年

     詳細を見る

  • 口唇小唾液腺唾石症の3例

    飯田 征二, 白砂 兼光, 石井 庄一郎, 森岡 成行, 内田 吉保, 志方 恵, 中島 昌宗, 相川 友直, 小泉 英彦, 久保 茂正, 松矢 篤三

    日本口腔外科学会雑誌   41 ( 3 )   263 - 265   1995年

  • 臨床的に白板症と診断された171症例のWHO診断基準にしたがった病理組織学的検討

    飯田 征二, 白砂 兼光, 杉 政和, 林堂 安貴, 古郷 幹彦, 内田 吉保, 吉岡 秀郎, 平沼 勉, 志方 恵, 杉浦 剛, 松矢 篤三, 石田 武

    日本口腔外科学会雑誌   40 ( 12 )   1290 - 1292   1994年

  • 下顎骨中心性に発生した良性線維性組織球腫の1例

    飯田 征二, 杉 政和, 内田 吉保, 津田 高司, 小原 浩, 松矢 篤三

    日本口腔外科学会雑誌   40 ( 1 )   209 - 211   1994年

  • Respiratory Activity in Relation to External Glossal Muscles "jointly worked"

    Journal of Osaka University Dental School   33   27   1993年

     詳細を見る

  • Respiratory Activity in Relation to External Glossal Muscles.(共著)

    Journal of Osaka University Dental School   33,27-   1993年

     詳細を見る

  • 上気道の気流知覚が口蓋帆挙筋活動に及ぼす影響

    大阪大学歯学雑誌   38 ( 2 )   414   1993年

     詳細を見る

  • 口唇口蓋裂症例における切歯骨発育不全と下垂体機能低下症

    飯田 征二, 古郷 幹彦, 内田 吉保, 安井 康順, 藤本 佳之, 松矢 篤三

    日本口腔外科学会雑誌   38 ( 6 )   818 - 823   1992年

  • 上唇部に発生した成人型黄色肉芽腫の1例(共著)

    津田 高司, 待田 順治, 飯田 征二, 内田 吉保, 松矢 篤三

    日本口腔外科学会雑誌   38 ( 12 )   1919 - 1920   1992年

  • 軟組織に浸潤を認めたエナメル上皮腫再発症例

    飯田 征二, 井上 一男, 古郷 幹彦, 浜村 康司, 松矢 篤三

    日本口腔外科学会雑誌   37 ( 2 )   398 - 402   1991年

     詳細を見る

  • 有床義歯に接触する口腔粘膜に生じた腸瘍の3例(共著)

    逓信医学   43 ( 2 )   99   1991年

     詳細を見る

  • 人間ドッグ受診者の口腔内診査成績について(2)-下顎第一大臼歯の臨床的症状-(共著)

    逓信医学   43 ( 10 )   607   1991年

     詳細を見る

  • Hotz口蓋床を用いた唇顎口蓋裂患者の体重増加(共著)

    日本口蓋裂学会雑誌   16 ( 4 )   190   1991年

  • Factor VII deficiency first observed at preoperative routine clotting test."jointly worked"

    Journal of Osaka University Dental School   30   157   1990年

     詳細を見る

  • Factor VII deficiency first observed at preoperative routine clotting test.(共著)

    Journal of Osaka University Dental School   30   157   1990年

     詳細を見る

  • 歯科口腔領域の術後感染予防症例におけるオフロキサシンの臨床効果および口腔組織濃度(共著)

    歯界展望   73 ( 3 )   731   1989年

     詳細を見る

  • 偽性副甲状腺機能低下症I型を伴った鎖骨頭蓋異骨症の1例(共著)

    待田 順治, 七里 泰温, 上野 勝美, 飯田 征二, 佐藤 ますみ

    日本口腔外科学会雑誌   35 ( 3 )   755 - 760   1989年

  • 人間ドッグ受診者の口腔内診査成績について(1)(共著)

    逓信医学   41 ( 8 )   471   1989年

     詳細を見る

  • 口蓋帆挙筋の機械的収縮特性(共著)

    坂本 勝也, 西尾 順太郎, 古郷 幹彦, 浜村 康司, 井上 一男, 栗本 拓哉, 中田 正之, 飯田 征二, 松矢 篤三

    日本口腔外科学会雑誌   34 ( 9 )   1845 - 1851   1988年

  • 全上下顎同時移動手術における口腔外科的問題点について(共著)

    大阪大学歯学雑誌   33 ( 2 )   456   1988年

     詳細を見る

  • 口腔外科小手術後の疼痛に対するロキソプロフェンナトリウム(ロキソニン)の使用成績(共著)

    診療と新薬   24 ( 7 )   1559   1987年

     詳細を見る

  • 歯科口腔外科領域感染症に対する経口合成抗菌剤オフロキサシンの臨床効果(共著)

    歯界展望   70 ( 4 )   927   1987年

     詳細を見る

  • 口腔外科領域における小手術後の疼痛に対するフェナゾックス(アンフェナックナトリウム)の使用成績(共著)

    基礎と臨床   20 ( 17 )   677   1986年

     詳細を見る

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Works(作品等)

  • スポーツによる下顎骨骨折様式たいする下顎埋伏智歯の影響

    2003年

     詳細を見る

  • Influence of impacted lower third molar on the mandibular fracture sustained during sports

    2003年

     詳細を見る

  • パーキンソン病における顎舌異常運動症に関する研究

    2002年
    -
    2003年

     詳細を見る

  • 口唇口蓋裂患者の顔面の改善に対する化粧の効果

    2000年

     詳細を見る

  • Cosmetic approach for facial deformity in Cleft lip patients

    2000年

     詳細を見る

共同研究・競争的資金等の研究

  • Physiological Analysis of Palatal movement.

      詳細を見る

    資金種別:競争的資金

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  • Neurophysiological Study on mastication

      詳細を見る

    資金種別:競争的資金

    researchmap

  • Clinical Study on Oral and Maxillofacial fractures

      詳細を見る

    資金種別:競争的資金

    researchmap

  • 口腔顎顔面骨折に関する臨床的研究

      詳細を見る

    資金種別:競争的資金

    researchmap

  • 軟口蓋運動の生理学的解析

      詳細を見る

    資金種別:競争的資金

    researchmap

  • 咀嚼運動に関する神経生理学的研究

      詳細を見る

    資金種別:競争的資金

    researchmap

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担当授業科目

  • インプラントと唾液腺疾患 (2021年度) 第1学期  - 金1,金4

  • インプラントと顎骨再建 (2021年度) 第1学期  - 金4

  • 先天異常・症候群の科学と治療学 (2021年度) 第4学期  - 水2,水3

  • 先天異常・症候群の科学と治療学 (2021年度) 第4学期  - 水2,水3

  • 口腔・顎・顔面外科手術学(実習(臨床実習)) (2021年度) 特別  - その他

  • 口腔・顎・顔面外科手術学(講義・演習) (2021年度) 特別  - その他

  • 口腔内科学および口腔・顎・顔面インプラント治療学(実習(臨床実習)) (2021年度) 特別  - その他

  • 口腔内科学および口腔・顎・顔面インプラント治療学(講義・演習) (2021年度) 特別  - その他

  • 口腔機能再建学演習 (2021年度) 特別  - その他

  • 周術期口腔管理演習 (2021年度) 特別  - その他

  • 唾液腺疾患 (2021年度) 第1学期  - 金1

  • 嚢胞と顎関節疾患 (2021年度) 2~4学期  - [第2学期]水2, [第3学期]金4, [第4学期]金4

  • 在宅介護歯科医療実習 (2021年度) 特別  - 水

  • 損傷の科学と治療学 (2021年度) 第1学期  - 水1

  • 損傷の科学と治療学 (2021年度) 第1学期  - 水1

  • 炎症の科学と治療学 (2021年度) 第2学期  - 水1,水2

  • 炎症の科学と治療学 (2021年度) 第2学期  - 水1,水2

  • 総合歯学演習 (2021年度) 特別  - その他

  • 総合歯学演習 (2021年度) 特別  - その他

  • 軟組織の嚢胞性疾患 (2021年度) 第4学期  - 水3

  • 顎口腔再建外科学I(演習・実習) (2021年度) 特別  - その他

  • 顎口腔再建外科学I(講義・演習) (2021年度) 特別  - その他

  • 顎口腔再建外科学II(演習・実習) (2021年度) 特別  - その他

  • 顎口腔再建外科学II(講義・演習) (2021年度) 特別  - その他

  • 顎関節疾患とその治療 (2021年度) 第3学期  - 金4

  • 顎骨内の嚢胞性疾患 (2021年度) 第2学期  - 水2

  • インプラントと唾液腺疾患 (2020年度) 第1学期  - 金1,金4

  • インプラントと顎骨再建 (2020年度) 第1学期  - 金4

  • 先天異常・症候群の科学と治療学 (2020年度) 第4学期  - 水2,水3

  • 先天異常・症候群の科学と治療学 (2020年度) 第4学期  - 水2,水3

  • 口腔・顎・顔面外科手術学(実習(臨床実習)) (2020年度) 特別  - その他

  • 口腔・顎・顔面外科手術学(講義・演習) (2020年度) 特別  - その他

  • 口腔内科学および口腔・顎・顔面インプラント治療学(実習(臨床実習)) (2020年度) 特別  - その他

  • 口腔内科学および口腔・顎・顔面インプラント治療学(講義・演習) (2020年度) 特別  - その他

  • 口腔機能再建学演習 (2020年度) 通年  - その他

  • 口腔機能再建学総論 (2020年度) 通年  - その他

  • 周術期口腔管理演習 (2020年度) 特別  - その他

  • 唾液腺疾患 (2020年度) 第1学期  - 金1

  • 嚢胞と顎関節疾患 (2020年度) 2~4学期  - [第2学期]水2, [第3学期]金4, [第4学期]金4

  • 在宅介護歯科医療実習 (2020年度) 特別  - 水

  • 損傷の科学と治療学 (2020年度) 第1学期  - 水1

  • 損傷の科学と治療学 (2020年度) 第1学期  - 水1

  • 炎症の科学と治療学 (2020年度) 第2学期  - 水1,水2

  • 炎症の科学と治療学 (2020年度) 第2学期  - 水1,水2

  • 総合歯学演習 (2020年度) 特別  - その他

  • 総合歯学演習 (2020年度) 特別  - その他

  • 軟組織の嚢胞性疾患 (2020年度) 第4学期  - 水3

  • 顎口腔再建外科学I(演習・実習) (2020年度) 特別  - その他

  • 顎口腔再建外科学I(講義・演習) (2020年度) 特別  - その他

  • 顎口腔再建外科学II(演習・実習) (2020年度) 特別  - その他

  • 顎口腔再建外科学II(講義・演習) (2020年度) 特別  - その他

  • 顎関節疾患とその治療 (2020年度) 第3学期  - 金4

  • 顎骨内の嚢胞性疾患 (2020年度) 第2学期  - 水2

▼全件表示