Updated on 2022/12/13

写真a

 
OGAWA Tatsuyuki
 
Organization
Faculty of Medicine, Dentistry and Pharmaceutical Sciences Assistant
Position
Assistant
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Degree

  • 修士(学校教育学) ( 兵庫教育大学 )

Research Areas

  • Informatics / Information network

  • Informatics / Computer system

  • Informatics / Statistical science

  • Life Science / Social dentistry  / 医療情報学

Education

  • Hyogo University of Teacher Education   学校教育研究科   教科・領域教育専攻

    - 1998

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    Country: Japan

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  • Sapporo University   法学部   法学科

    - 1996

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    Country: Japan

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Research History

  • 岡山・建部医療福祉専門学校   非常勤講師

    2020.4

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    Country:Japan

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  • Kawasaki University of Medical Welfare

    2004 - 2010

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  • - 岡山大学医歯薬学総合研究科 助手

    2004

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  • - Research Associate,Graduate School of Medicine, Dentistry and Pharmaceutical Sciences,Okayama University

    2004

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  • - 岡山大学岡山大学病院医療情報部 職員

    2003

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  • 兵庫教育大学大学院連合学校教育学研究科 研究生

    1999 - 2002

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  • 岡山県理容美容専門学校 非常勤講師

    1998 - 2002

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  • Hyogo University of Teacher Education   Faculty of School Education

    1998 - 1999

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  • Hyogo University of Teacher Education   Faculty of School Education

    1997 - 1998

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Committee Memberships

  • 日本医療情報学会   第41回 医療情報学連合大会(第22回日本医療情報学会学術大会)実行委員  

    2021.11   

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    Committee type:Academic society

 

Papers

  • Study of Views on Posthumous Reproduction, Focusing on Its Relation with Views on Family and Religion in Modern Japan Reviewed

    Ueda Noriyuki, Kushi Nobutaka, Nakatsuka Mikiya,Ogawa Tatsuyuki,Nkanishi Yoshiko,Shishido Keisuke,Awaya Tsuyoshi

    Acta Medica Okayama   62 ( 5 )   285 - 296   2008.10

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    Language:English  

    DOI: doi.org/10.18926/AMO

  • 歯学教育における診療参加型臨床実習のための電子版連携ログブック(電子ログブック)の開発と今後の課題について

    川瀬明子, 宮脇卓也, 小河達之, 窪木拓男, 久保田聡, 浅海淳一

    岡山歯学会雑誌   36 ( 2 )   53 - 59   2017

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    Language:Japanese   Publisher:岡山歯学会  

    当大学歯学部にて診療参加型臨床実習・臨床研修連携手帳(連携ログブック)として、独自に開発・運用してきた電子版連携ログブックについて検討した。平成27年10月〜平成28年9月に診療参加型臨床実習に参加した臨床実習生55名のデータを分析した結果、全データ数は13610件で、臨床実習生1名当たりの平均入力数は247件、自験率(総症例数を自験数で除したもの)は平均32.6%であった。実習内容を分析すると、最も入力数が多かったのは「歯周治療」で、次いで「クラウン・ブリッジ」、「予防歯科」であった。臨床実習生1名当たりの自験数でみると、最も多かったのは「歯周治療」で、次いで「予防歯科」、「医療面接」であった。一方、臨床実習生1名当たりの自験数が少なかったのは、「歯科麻酔」、「顎関節症・口腔顔面痛」、「診療の基本」であった。

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  • 人工妊娠中絶の法規制-女性の意識調査からリプロダクティブ・ヘルス/ライツを考える-

    贄育子, 小河達之

    ヒューマンケア研究学会誌   7 ( 1 )   29 - 35   2015

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:ヒューマンケア研究学会  

    リプロダクティブ・ヘルス/ライツ実現への示唆を得るため、人工妊娠中絶の法規制に関する女性の意識調査を実施した。20~24 歳の女性、妊娠中の女性及び出産経験をもつ女性を対象に、母体保護法と刑法堕胎罪に関する認知、人の始期、母体と胎児の権利の優位性について調査した。その結果、母体保護法に比べて、堕胎罪に関する認知が低い一方で、その存続を望む割合が高かった。その理由は、生命の尊厳を守るためという回答が最も多かった。また、受精直後を人の始期と考えている割合が最も高かったが、母体よりも胎児の権利を優位とする割合は低かった。生命の尊厳という倫理観はもっているものの、法制度の認知度を鑑みると、女性が自らの身体やそれをめぐる法整備について関心を持ち行動しているようには考え難く、そのような機会も乏しいと推察し得る。以上のことから、リプロダクティブ・ヘルス/ライツに関する教育の必要性が示唆された。

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    Other Link: http://id.nii.ac.jp/1068/00000420/

  • Novel Fluoro-carbon Functional Monomer for Dental Bonding

    K. Yoshihara, Y. Yoshida, S. Hayakawa, N. Nagaoka, S. Kamenoue, T. Okihara, T. Ogawa, M. Nakamura, A. Osaka, B. Van Meerbeek

    JOURNAL OF DENTAL RESEARCH   93 ( 2 )   189 - 194   2014.2

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:SAGE PUBLICATIONS INC  

    Among several functional monomers, 10-methacryloxydecyl dihydrogen phosphate (10-MDP) bonded most effectively to hydroxyapatite (HAp). However, more hydrolysis-resistant functional monomers are needed to improve bond durability. Here, we investigated the adhesive potential of the novel fluoro-carbon functional monomer 6-methacryloxy-2,2,3,3,4,4,5,5-octafluorohexyl dihydrogen phosphate (MF8P; Kuraray Noritake Dental Inc., Tokyo, Japan) by studying its molecular interaction with powder HAp using solid-state nuclear magnetic resonance (H-1 MAS NMR) and with dentin using x-ray diffraction (XRD) and by characterizing its interface ultrastructure at dentin using transmission electron microscopy (TEM). We further determined the dissolution rate of the MF8P_Ca salt, the hydrophobicity of MF8P, and the bond strength of an experimental MF8P-based adhesive to dentin. NMR confirmed chemical adsorption of MF8P onto HAp. XRD and TEM revealed MF8P_Ca salt formation and nano-layering at dentin. The MF8P_Ca salt was as stable as that of 10-MDP; MF8P was as hydrophobic as 10-MDP; a significantly higher bond strength was recorded for MF8P than for 10-MDP. In conclusion, MF8P chemically bonded to HAp. Despite its shorter size, MF8P possesses characteristics similar to those of 10-MDP, most likely to be associated with the strong chemical bond between fluorine and carbon. Since favorable bond strength to dentin was recorded, MF8P can be considered a good candidate functional monomer for bonding.

    DOI: 10.1177/0022034513514447

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  • Novel fluoro-carbon functional monomer for dental bonding. Reviewed International coauthorship

    Yoshihara K, Yoshida Y, Hayakawa S, Nagaoka N, Kamenoue S, Okihara T, Ogawa T, Nakamura M, Osaka A, Van Meerbeek B

    Journal of Dental Research   2014 ( 93 )   189 - 194   2014

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  • Self-assembled Nano-layering at the Adhesive interface. Reviewed

    Yoshida Y, Yoshihara K, Nagaoka N, Hayakawa S, Torii Y, Ogawa T, Osaka A, Meerbeek BV

    J Dent Res   91 ( 4 )   376 - 381   2012.4

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    According to the 'Adhesion-Decalcification' concept, specific functional monomers within dental adhesives can ionically interact with hydroxyapatite (HAp). Such ionic bonding has been demonstrated for 10-methacryloyloxydecyl dihydrogen phosphate (MDP) to manifest in the form of self-assembled 'nano-layering'. However, it remained to be explored if such nano-layering also occurs on tooth tissue when commercial MDP-containing adhesives (Clearfil SE Bond, Kuraray; Scotchbond Universal, 3M ESPE) were applied following common clinical application protocols. We therefore characterized adhesive-dentin interfaces chemically, using x-ray diffraction (XRD) and energy-dispersive x-ray spectroscopy (EDS), and ultrastructurally, using (scanning) transmission electron microscopy (TEM/STEM). Both adhesives revealed nano-layering at the adhesive interface, not only within the hybrid layer but also, particularly for Clearfil SE Bond (Kuraray), extending into the adhesive layer. Since such self-assembled nano-layering of two 10-MDP molecules, joined by stable MDP-Ca salt formation, must make the adhesive interface more resistant to biodegradation, it may well explain the documented favorable clinical longevity of bonds produced by 10-MDP-based adhesives. © 2012 International & American Associations for Dental Research.

    DOI: 10.1177/0022034512437375

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  • Nanolayering of phosphoric acid ester monomer on enamel and dentin. Reviewed International journal

    Yoshihara K, Yoshida Y, Hayakawa S, Nagaoka N, Irie M, Ogawa T, Van Landuyt KL, Osaka A, Suzuki K, Minagi S, Van Meerbeek B

    Acta biomaterialia   7 ( 8 )   3187 - 3195   2011.8

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:ELSEVIER SCI LTD  

    Following the "adhesion-decalcification" concept, specific functional monomers possess the capacity to primary chemically interact with hydroxyapatite (HAp). Such ionic bonding with synthetic HAp has been demonstrated for 10-methacryloyloxydecyl dihydrogen phosphate (10-MDP), manifest as self-assembled "nanolayering". In continuation of that basic research this study aimed to explore whether nanolayering also occurs on enamel and dentin when a 10-MDP primer is applied following a common clinical application protocol. Therefore, the interaction of an experimental 10-MDP primer and a control, commercially available, 10-MDP-based primer (Clearfil SE Bond primer (C-SE), Kuraray) with enamel and dentin was characterized by X-ray diffraction (XRD), complemented with transmission electron microscopy interfacial ultrastructural data upon their reaction with enamel and dentin. In addition, XRD was used to study the effect of the concentration of 10-MDP on nanolayering on dentin. Finally, the stability of the nanolayers was determined by measuring the bond strength to enamel and dentin when a photoinitiator was added to the experimental primer or when interfacial polymerization depended solely on the photoinitiator supplied with the subsequently applied adhesive resin. XRD confirmed nanolayering on enamel and dentin, which was significantly greater on dentin than on enamel, and also when the surface was actively rubbed with the primer. Nanolayering was also proportional to the concentration of 10-MDP in the primer. Finally, the experimental primer needed the photoinitiator to obtain a tensile bond strength to dentin comparable with that of the control C-SE primer (which also contains a photoinitiator), but not when bonded to enamel. It is concluded that self-assembled nanolayering occurs on enamel and dentin, even when following a clinically used application protocol. The lower bonding effectiveness of mild self-etch adhesives to enamel should be ascribed in part to a lower chemical reactivity (nanolayering) with enamel HAP. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

    DOI: 10.1016/j.actbio.2011.04.026

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  • Analysis of chemical interaction of 4-MET with hydroxyapatite using XPS

    Kouji Nagakane, Yasuhiro Yoshida, Isao Hirata, Ryuichi Fukuda, Youichi Nakayama, Kenichi Shirai, Tatsuyuki Ogawa, Kazuomi Suzuki, Bart Van Meerbeek, Masayuki Okazaki

    DENTAL MATERIALS JOURNAL   25 ( 4 )   645 - 649   2006.12

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:JAPANESE SOC DENTAL MATERIALS DEVICES  

    Each dental adhesive contains a specific functional monomer that determines its actual adhesive performance to tooth tissue. 4-methacryloxyethyl trimellitic acid (4-MET) is well-known as one of the functional monomers mostly available and consequently widely used in commercial adhesives. We therefore characterized the chemical - interaction of 4-MET with hydroxy-apatite (HAp) using X-ray Photoelectron Spectroscopy (XPS). XPS revealed that the peak representing -COO- of 4-MET shifted to a lower binding energy, when 4-MET was adsorbed onto HAp. Deconvolution of this shifted peak disclosed two components with a peak representing unreacted carboxyl groups and ester groups, and a peak suggesting chemical bonding of other carboxyl groups to Ca of HAp. XPS spectra of HAp treated with 4-MET also disclosed the surface to be enriched in calcium and decreased in phosphorus, indicating that phosphorus was extracted at a, relatively higher rate than calcium. It can thus be concluded that true chemical bonding of 4-MET with calcium present in HAp occurred, as it was proven using XPS.

    DOI: 10.4012/dmj.25.645

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  • Analysis of Chemical Interaction of 4-MET with Hydroxyapatite Using XPS Reviewed

    25 ( 4 )   645 - 649   2006

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    Language:English  

    DOI: 10.4012/dmj.25.645

  • 防災視点をとり入れた住生活教育のあり方に関する研究 兵庫県内高校生の居住地別, 建物被害の有無別防災対応 Reviewed

    佐々木貴子, 小河達之, 田中洋子, 貴田康乃

    日本家政学会誌   51 ( 2 )   171 - 180   2000

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  • A Study of Dwelling Life Education for the Viewpoint of Disaster Prevention-Disaster Prevention with Difference in Dwelling Places and Housing Damages of High School Students in Hyogo Prefecture.

    佐々木貴子, 小河達之, 田中洋子, 貴田康乃

    日本家政学会誌   51 ( 2 )   171 - 180   2000

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    Language:Japanese   Publisher:The Japan Society of Home Economics  

    We investigated the extent of damages inflicted by the Great Earthquake in Hyogo Prefecture; our informants are the high school students whose houses suffered various degrees of damage with a view to evaluating their emotional stress as well as what sort of preventive measures had been in force before the earthquake hit the area and what post-disaster measures were applied.<BR>The findings may be summarized as follows : <BR>1) Students felt they were physically burdened a great deal as they were engaged in clearing work among the ruins.<BR>2) Students whose houses were damaged experienced serious mental shock.<BR>3) Students kept pieces of furniture and electric appliances in their room. They admitted they needed some damage prevention measures.<BR>4) Before the quake, most students neither possessed any knowledge, nor were they given any emergency drill. The drill, however, was repeated since after the disaster.<BR>5) Most of the students recognized the need to learn about disaster measures in school.<BR>The findings indicate that students need to acquire both know-how and readiness to protect themselves and their family. For that purpose, they need to be given proper guidance as well.

    DOI: 10.11428/jhej1987.51.171

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  • 代議士の属性と政治姿勢に関する一考察 Reviewed

    小河達之

    法政論叢   36 ( 1 )   111 - 121   1999

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    Authorship:Lead author, Corresponding author   Language:Japanese  

    DOI: doi.org/10.20816/jal

  • Study of Diet members' Attribute and Their Political Attitude

    Ogawa Tatsuyuki

    The Japanese Journal of Law and Political Science   36 ( 1 )   111 - 121   1999

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    Language:Japanese   Publisher:The Japanese Association of Law and Political Science  

    There are many factors to influence how a diet member would make a decision about a bill at the Diet. However, it is very difficult to understand how a diet member's atributes affect his opinion. Diet members themselves seem to be influenced by their attributes unconsciously when making a decision. In this study, I am going to study about Diet members' personal history, which is one of factors influencing Diet members' opinions on political topics. Many conventional studies were on influences by political party, denomination, or hometown. In another word, not the Diet member's himself but a relation to his surroundings has been the topic of study. On the contrary, studies about relation between a Diet member and his personal history have not been published. I am going to study how a Diet member's academic background and career influence his decision on policy. I also would like to clarify influences to political attitude analytically, including the variable of political party affiliation.

    DOI: 10.20816/jalps.36.1_111

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  • 防災の視点を採り入れた住生活教育のあり方に関する研究(2) -兵庫県内大学生の防災意識と防災対応-

    佐々木貴子, 内田芳子, 小河達之, 菊澤康子, 貴田康乃

    兵庫教育大学学校教育学会紀要   10 ( 10 )   53 - 63   1997.3

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  • シルバーハウジングに関する研究 LSA の業務と課題 Reviewed

    杉野美佐子, 小河達之, 菊澤康子, 宮本美奈

    都市住宅学   1997 ( 19 )   107 - 110   1997

  • A study on “Silver Housing”: Present situation of life support service And issues to be solved

    Sugino Misako, Ogawa Tatsuya, Kikuzawa Yasuko

    Urban housing sciences   1997 ( 19 )   107 - 110   1997

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    Language:Japanese   Publisher:Association of Urban Housing Sciences  

    The number of Silver Housing (SH) has rapidly increased since our first report on SH (kikuzawa et al. URBAN HOUSING SCIENCES No.11, 1995). In the end of March 1997, 4109 households reside in 172 SH complexes. Accordingly, administration systems and the job styles of LSA have become significantly diversified. This article examines job conditions drawn from previous studies hold after the change. The result are as follows: (1) The number of LSAs feeling, “The job is difficult” is strongly related negatively with their experience of training for “Life Support Service”. (2) The job style of LSA is strongly correlated with their feeling, “It is worth working as an LSA”. (3) The conclusions drawn from the previous reports were mostly verified even after the change.

    DOI: 10.11531/uhs1993.1997.19_107

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  • 兵庫県南部地震後の仮設住宅入居者の住要求 Reviewed

    中島 倫, 寺山 千寿, 小河 達之, 菊澤 康子

    都市住宅学   1996 ( 15 )   199 - 202   1996

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    Language:Japanese   Publishing type:Research paper (scientific journal)  

    DOI: doi.org/10.11531/uhs

  • 兵庫県南部地震後の仮設住宅入居者の住生活と住要求 世代間比較によりみた場合 Reviewed

    寺山 知寿, 中島 倫, 小河 達之, 菊澤 康子

    都市住宅学   1996 ( 15 )   195 - 198   1996

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  • The way of Living and Housing Demand of the Residents in Temporary Housings after the South-Hyogo Earthquake: The Comparison among Various Generations

    Terayama Chizu, Nakashima Rin, Ogawa Tatsuyuki, Kikuzawa Yasuko

    Urban housing sciences   1996 ( 15 )   195 - 198   1996

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    The research work was carried out in order to get the fundamental materials for the housing restoration planning aftter the South-Hyogo Earthquake by grasping the housing demands for the permanent residence of the sufferers of the disaster who continue to live in the temporary housings. An questionnaire survey was executed for 1, 855 subjects living in Kobe, Takarazuka and Toyonaka Cities, during November in 1995 and February in 1996, and 840 were recovered. About 90% of the subjects occupying about one-thirds of the total subjects, who had lived in the detached own dwellings before the disaster, desire to live in the same type detached dwellings afterwards, where as almost all the other subjects desire to live in the public rental dwellings and they prefer to the mixed dwelling type of various generations, group dwelling type exclusively for the elderly and the dwelling type with life support welfare service. However when they feel weak in the physical strength, they tend to prefer to live in the latter two types. As a whole almost all the subjects desire to consider the countermeasure to live easily for the elderly in the housings hereafter.

    DOI: 10.11531/uhs1993.1996.15_195

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  • Housing Demands of Temporary Housing Residents after South-Hyogo Earthquake in view of Life Support Service

    Nakashima Rin, Terayama Chizu, Ogawa Tatsuyuki

    Urban housing sciences   1996 ( 15 )   199 - 202   1996

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    Language:Japanese   Publisher:Association of Urban Housing Sciences  

    41.8 percent of the temporary housing residents destroyed their dwellings by the eathquake on January 17, 1995 are over 65 years old. The report has tried to grasp the background of the subjects necessitating the life support services for ADL, and to find out desirable living ways hereafter.<BR>Questionnaire surveys were executed for 1855 subjects living in the temporary housings in Kobe, Takarazuka and Toyonaka Cities, during November in 1995 and February in 1996, and 840 were recovered. It was clarified that there exist a lot of the elderly who feel incovenient in ADL due to the arthralgia and/or the rheumatism even if they have no difficulty of walking around by themselves. Earnest desires for the life support service have been recognized, derived from the fact that many temporary housing complexes have been located in much more inconvenient access areas than the previous dwellings before the outbreak of the earthquake. Above results suggest the necessity of the substantial supply of public rental housings and facilities concerned with the elderly in the possibly convenient access areas and the positive introduction of the life support service.

    DOI: 10.11531/uhs1993.1996.15_199

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Books

  • Health Infomatics Information Technology

    ( Role: Contributor)

    2022.6  ( ISBN:978-4-86705-814-5

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    Total pages:362   Responsible for pages:288-301   Language:Japanese Book type:Textbook, survey, introduction

  • 医療情報 第7版 情報処理技術編

    日本医療情報学会医療情報技師育成部会(8.1.4-8.1.6)

    日本医療情報学会医療情報技師育成部会,篠原出版新社  2022.6  ( ISBN:9784867058145

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    Total pages:xv, 362p   Language:Japanese

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  • 医療情報第6版 情報処理技術編

    一般社団法人日本医療情報学会医療情報技師育成部会( Role: Joint editor ,  知的財産権の管理 データ管理 性能管理 )

    篠原出版新社  2019.3  ( ISBN:9784884122966

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    Total pages:382   Responsible for pages:307-321   Language:Japanese

  • 医療情報第6版 情報処理技術編

    日本医療情報学会医療情報技師育成部会( Role: Contributor ,  9.1.4-9.1.6)

    日本医療情報学会医療情報技師育成部会,篠原出版新社  2019.3  ( ISBN:9784867058015

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    Total pages:冊   Language:Japanese

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  • 医療情報第5版 情報処理技術編

    篠原出版新社  2016  ( ISBN:9784884123895

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  • 新版 医療情報 第2版 情報処理技術編(共著)

    篠原出版新社  2013  ( ISBN:9784884123314

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  • 近代日本の政治課題

    法律文化社  2009 

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  • 初めての人権

    法律文化社  2008 

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  • 統計数学への挑戦 -統計パッケージ「SPSS」の利用法- -大学院生のために-

    川崎医療福祉大学大学院医療福祉専攻  2007 

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MISC

  • 院内の診療科間から院外の医療機関間での多職種連携へ 〜 医療ネットワーク岡山晴れやかネットでの連携の理想と課題 〜

    高柴正悟,小河達之,西山明慶,柳 文修

    平成29年度大学病院情報マネジメント部門連絡会議   72 - 73   2018.2

  • アルカリ環境が修復材料の耐久性に与える影響

    吉原久美子, 長岡紀幸, 小河達之, 吉田靖弘

    日本歯科保存学会学術大会プログラムおよび講演抄録集(Web)   147th   156 - 156   2017.10

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    Language:Japanese   Publisher:(NPO)日本歯科保存学会  

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  • 異なる種類のフィラーが1液型ボンディング材の粘性,耐久性に与える影響

    吉原久美子, 小河達之, 長岡紀幸, 吉田靖弘

    日本歯科保存学会学術大会プログラムおよび講演抄録集(Web)   146th   90 - 90   2017.5

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  • 電子版診療参加型臨床実習・臨床研修連携手帳(電子ログブック)の展開

    宮脇卓也, 小河達之, 窪木拓男

    日本歯科医学教育学会総会・学術大会プログラム・抄録集   34th   2015

  • 電子版診療参加型臨床実習・臨床研修連携手帳(電子ログブック)の展開

    宮脇卓也, 小河達之, 窪木拓男

    日本歯科医学教育学会総会・学術大会プログラム・抄録集   34th   80 - 80   2015

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    Language:Japanese   Publisher:(一社)日本歯科医学教育学会  

    J-GLOBAL

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  • 電子版診療参加型臨床実習・臨床研修連携手帳(電子版連携ログブック)の試行

    宮脇卓也, 小河達之, 窪木拓男

    日本歯科医学教育学会総会・学術大会プログラム・抄録集   33rd   77 - 77   2014

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    Language:Japanese   Publisher:(一社)日本歯科医学教育学会  

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  • Study of Views on Posthumous Reproduction, Focusing on ItsRelation with Views on Family and Religion in Modern Japan

    Noriyuki Uedaa, Nobutaka Kushi, Mikiya Nakatsuka, Tatsuyuki Ogawa, Yoshiko Nakanishi, Keisuke Shishido, Tsuyoshi Awaya

    Acta Med. Okayama   62 ( 5 )   285 - 296   2009

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  • Study of Views on Posthumous Reproduction, Focusing on ItsRelation with Views on Family and Religion in Modern Japan

    62 ( 5 )   285 - 296   2009

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  • Study of Views on Posthumous Reproduction, Focusing on Its Relation with Views on Family and Religion in Modern Japan

    Noriyuki Ueda, Nobutaka Kushi, Mikiya Nakatsuka, Tatsuyuki Ogawa, Yoshiko Nakanishi, Keisuke Shishido, Tsuyoshi Awaya

    ACTA MEDICA OKAYAMA   62 ( 5 )   285 - 296   2008.10

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    Language:English   Publisher:OKAYAMA UNIV MED SCHOOL  

    Posthumous reproduction has been performed in Japan several times, without sufficient civic discussion on its appropriateness or legislative regulation. There have even been several lawsuits on posthumous acknowledgment (in which a baby born to a deceased father has the same birthright as a baby born to a living father), and some judgments have proposed the need to develop societal agreement on posthumous reproduction and suggested legislative settlement. With this background, this study aims to clarify the views of the Japanese people regarding posthumous reproduction. In December 2007, we distributed a questionnaire on posthumous reproduction in relation to beliefs about family and religion to 32 universities across the country, and received 3,719 replies. It was found that about 60% of respondents agreed with posthumous reproduction. Statistical analysis was applied to the relationship between this overall position on posthumous reproduction and views on assisted reproduction technologies, family, religion, and so on. The degree of support for posthumous reproduction was strongly correlated with the degree of affirmation of assisted reproduction technologies and a liberal worldview with emphasis on self-determination. On the other hand, there was also a strong correlation with having a traditional view of family, such as family succession. The degree of support for posthumous reproduction was also highly correlated with the intimacy among family members, underlying which was a strong connection to the traditional religious belief in Japan that deceased family members watch the living ones. The view on posthumous reproduction is culturally complex and cannot be explained by a simple dichotomy between traditional conservatives and liberals.

    DOI: 10.18926/AMO/30967

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  • Study of Views on Posthumous Reproduction, Focusing on Its Relation with Views on Family and Religion in Modern Japan

    Noriyuki Ueda, Nobutaka Kushi, Mikiya Nakatsuka, Tatsuyuki Ogawa, Yoshiko Nakanishi, Keisuke Shishido, Tsuyoshi Awaya

    ACTA MEDICA OKAYAMA   62 ( 5 )   285 - 296   2008.10

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    Language:English   Publisher:OKAYAMA UNIV MED SCHOOL  

    Posthumous reproduction has been performed in Japan several times, without sufficient civic discussion on its appropriateness or legislative regulation. There have even been several lawsuits on posthumous acknowledgment (in which a baby born to a deceased father has the same birthright as a baby born to a living father), and some judgments have proposed the need to develop societal agreement on posthumous reproduction and suggested legislative settlement. With this background, this study aims to clarify the views of the Japanese people regarding posthumous reproduction. In December 2007, we distributed a questionnaire on posthumous reproduction in relation to beliefs about family and religion to 32 universities across the country, and received 3,719 replies. It was found that about 60% of respondents agreed with posthumous reproduction. Statistical analysis was applied to the relationship between this overall position on posthumous reproduction and views on assisted reproduction technologies, family, religion, and so on. The degree of support for posthumous reproduction was strongly correlated with the degree of affirmation of assisted reproduction technologies and a liberal worldview with emphasis on self-determination. On the other hand, there was also a strong correlation with having a traditional view of family, such as family succession. The degree of support for posthumous reproduction was also highly correlated with the intimacy among family members, underlying which was a strong connection to the traditional religious belief in Japan that deceased family members watch the living ones. The view on posthumous reproduction is culturally complex and cannot be explained by a simple dichotomy between traditional conservatives and liberals.

    DOI: 10.18926/AMO/30967

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Presentations

  • 院内の診療科間から院外の医療機関間での多職種連携へ 〜 医療ネットワーク岡山晴れやかネットでの連携の理想と課題 〜

    高柴正悟,小河達之,西山明慶,柳 文修4

    平成29年度大学病院情報マネジメント部門連絡会議  2018.2.1 

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    Event date: 2018.1.31 - 2018.2.2

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:旭川  

  • 異なる種類のフィラーが1 液型ボンデ ィング材の粘性、耐久性に与える影響

    第146 回日本歯科保存学会春季学術大会  2017 

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  • アルカリ環境が修復材料の耐久性 に与える影響

    第147 回日本歯科保存学会春季 学術大会  2017 

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  • 電子版診療参加型臨床実習・臨床研修連携手帳(電子ログブック)の展開

    第35回日本歯科医学教育学会総会および学術大会  2015 

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  • 電子版診療参加型臨床実習・臨床研修連携手帳(電子版連携ログブック)の試行

    第33回日本歯科医学教育学会総会および学術大会  2014 

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  • The trial of the electronic log book for evaluating a clininal training in dental students and residents

    2014 

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  • 電子版診療参加型臨床実習・臨床研修連携手帳(電子版連携ログブック)の開発

    第32回日本歯科医学教育学会総会および学術大会  2013 

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  • 占領期の衆議院選挙と保守政党

    2001 年度日本選挙学会総会・研究会 分科会 G 歴史部会「占領期の選挙と政党」  2001 

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  • 代議士の属性と政治姿勢に関する一考察

    日本法政学会第90回総会及び研究会研究発表  1999 

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Research Projects

  • 象牙質再生能を有する歯質接着性デュアルキュア型覆髄材の開発

    Grant number:22K09981  2022.04 - 2027.03

    日本学術振興会  科学研究費助成事業 基盤研究(C)  基盤研究(C)

    小河 達之, 丸尾 幸憲, 長岡 紀幸, 吉原 久美子

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    Grant amount:\4160000 ( Direct expense: \3200000 、 Indirect expense:\960000 )

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  • MTAセメント覆髄後に使用する材料選択のエビデンス確立と耐強アルカリ樹脂材料開発

    Grant number:18K09597  2018.04 - 2022.03

    日本学術振興会  科学研究費助成事業 基盤研究(C)  基盤研究(C)

    小河 達之, 吉原 久美子, 長岡 紀幸

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    Grant amount:\4420000 ( Direct expense: \3400000 、 Indirect expense:\1020000 )

    生体親和性が高い覆髄材として,MTA(Mineral Trioxide Aggregate(ミネラル三酸化物))が臨床で広く使われており,その予後がよいことが報告されている。しかし,MTAセメントは,他の歯科材料と異なり強アルカリ性であり,そのアルカリ性が周囲の修復材料にどのような影響を及ぼすのかわかっていない。また,MTAセメントを用いた覆髄後に適する修復材料に関しては,MTAセメントと修復材の接着強度を評価したものがあるが,長期の耐久性も考慮して報告されているものはほとんどなく,MTAセメント修復後の材料選択はコンセンサスを得られていない。そこで,本研究課題は,MTAセメント覆髄後に使用できる耐アルカリ性に優れた材料に関するエビデンスの確立と,その知見を活かしたMTA覆髄後に適切な新規の耐アルカリ性樹脂材料の開発を行うものである。本年度は、MTAセメントと接している部分の修復材料の状態について昨年度から長期水中保管を行っているサンプルの界面観察を行い評価した。修復材料としては、グラスアイオノマーセメント、レジン添加型グラスアイオノマーセメント、ボンディング材とコンポジットレジンを用いた。グラスアイオノマーセメントはほとんど接着が得られておらず、コンポジットレジンは、コンポジットレジンの種類により劣化の程度が異なっていた。本成果はIADRにて発表を行った。また、ボンディング材は、MTAセメントに深く侵入し、化学反応を起こすのに対し、セルフアドヒーシブ型セメントでは化学反応が低く良好な接着界面が得られていることが分かった。

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  • 配偶子凍結保存の増加と「ライフプラン」「ジェンダー観」の変化に関する学際的研究

    Grant number:17H04096  2017.04 - 2021.03

    日本学術振興会  科学研究費助成事業 基盤研究(B)  基盤研究(B)

    中塚 幹也, 粟屋 剛, 菅沼 信彦, 出口 顕, 宍戸 圭介, 小河 達之

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    Grant amount:\17290000 ( Direct expense: \13300000 、 Indirect expense:\3990000 )

    生殖医療の現場の研究者や医師などへのインタビューの結果,公開セミナーでの議論の結果をもとに作成した質問紙を用いて,全国の一般人への年齢やジェンダーと結婚・妊娠・出産などに関する意識調査を実施し,解析を行った.
    また,前年度に実施した生殖医療施設代表者への全国調査の結果を発表し,共同通信(2019年10月7日,「LGBTに生殖医療:指針想定外,4施設実施:岡山大調査」)を通じて全国紙や全国の地方紙で,また,朝日新聞(2019年10月28日朝刊,「性的少数者カップルへ人工授精など:生殖補助医療4施設で:岡山大調査」)などの全国紙で報道された.
    また,第37回日本受精着床学会のシンポジウム「第三者の関わる生殖医療の未来」(2019年8月1日)で,不妊治療の当事者団体代表とともに,座長として議論を行った.さらに,第64回日本生殖医学会のシンポジウム「様々な家族形成のかたち」(2019年11月7日)で,「性同一性障害/性別違和/性別不合と家族形成:結婚,子ども,そしてライフプラン」として発表,また,提供精子による人工授精を実施している医師,里親・養子縁組などの専門家,提供配偶子による不妊治療の経験者,倫理学の研究者などとも議論し,本研究班としての見解,提言を発表した.
    これらの結果の詳細は,さらに関連学会にて発表を行う予定であったが,2020年3月以降,COVID-19感染拡大のため,学会が中止や延期になっており,中断している.現在,論文や書籍,WEB上で発表する準備を行っている.
    また,研究結果をもとに,子どもや学校関係者に向けて,妊孕性啓発,ライフプランを立てるための教材として作成していた冊子を改訂し,配布を開始した.

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  • A study of long-term durable and multi-functional fillers for dental adhesive

    Grant number:26462884  2014.04 - 2018.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    OGAWA TATSUYUKI

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    Grant amount:\4940000 ( Direct expense: \3800000 、 Indirect expense:\1140000 )

    Composite resin has advantages of aesthetic, minimally invasive for teeth, so it is often used in daily practice. However, it has still problem in long term durability. One of the reason was due to degradation of silane coupling for fillers. However, there was no study to investigate the effect of filler types and its coupling method. So in this study, we investigated the influence of filler type and treatment method of filler on durability of fillers in adhesive layer by the electron microscope observation. It was found that type of fillers and its treatment affected the durability of the filler.

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  • Interdisciplinary study on change of the reproductive age and commercialization with cryopreservation of gametes and gonads

    Grant number:26293112  2014.04 - 2017.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

    Nakatsuka Mikiya

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    Grant amount:\14820000 ( Direct expense: \11400000 、 Indirect expense:\3420000 )

    Affirmation to the social egg freezing of a healthy woman was approximately 20-30% (2015), which was largely decreased from approximately 60% (2012) by the questionnaire survey to the representative of gynecology facilities of the whole country. Affirmation to the social egg freezing of a healthy woman was approximately 60% (2016), which was largely increased from approximately 20% (2013) by the questionnaire survey to approximately 6,000 citizens.
    Citizens supported the social egg freezing because it led to the social advance of the woman. However, they also felt the uneasiness such as a risk of the aged pregnant women and the welfare of a born child, a transfer or the buying and selling of the cryopreserved ovum. The "medical research" "disposal" "transfers" were supported to a high rate as the purpose for spent of unnecessary cryopreserved ova. I made the teaching materials for teachers and students to have knowledge about reproduction technology and bioethical problems.

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  • interdisciplinary studies on posthumous reproduction

    Grant number:23390132  2011.04 - 2014.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

    NAKATSUKA MIKIYA, AWAYA Tsuyoshi, UEDA Noriyuki, SHISHIDO Keisuke, OGAWA Tatsuyuki, INOUE Rie, IWAI Tomoko, KUSHI Nobutaka, LEAVITT Frank J.

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    Grant amount:\16510000 ( Direct expense: \12700000 、 Indirect expense:\3810000 )

    Progress in cancer therapy and reproductive medicine enabled cryopreservation of gametes and gonads of patients with cancer and posthumous reproduction. We conducted factual and attitude survey in Japan on posthumous reproduction and cryopreservation of gametes and gonads by the reasons of various medical and social indications.

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  • A social survey of Japanese transplant tourism in China, and a review of ethical, legal and social implications.

    Grant number:23613006  2011 - 2013

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    AWAYA TSUYOSHI, OBAYASHI Masayuki, OGAWA Tatsuyuki

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    Grant amount:\5200000 ( Direct expense: \4000000 、 Indirect expense:\1200000 )

    I have arrived at the following considerations from the ethical, legal and social viewpoints, on the basis of the questionnaire survey and the interview survey with the Japanese patients who underwent organ transplants in China.
    Just as prisoners have human rights,so patients who go to foreign countries for organ transplant because they are not able to do so in their own countries also deserve human rights. If the former are weak under the power of the state, the latter are weak in the face of the power of the medical establishment, especially in Japan.
    It is not truly ethical for us to say to patients who have no choice that they should sit and wait for death.

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  • Effect of functional monomers and photo-initiators in dental adhesive: molecular level analysis

    Grant number:22592120  2010.04 - 2014.03

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    OGAWA Tatsuyuki, YOSHIDA Yasuhiro

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    Grant amount:\4420000 ( Direct expense: \3400000 、 Indirect expense:\1020000 )

    Dental self-etch adhesives contain functional monomers and photoinitiator system for polymerization. Few studies have investigated the effect of the functional monomer and polymerization system on the polymerization efficiency of the adhesive. We tested the effect of different functional monomers and photo-initiator systems on the degree of conversion of different adhesive formulations. Our study showed the polymerization conversion of an adhesive can be affected by the functional monomer, but this depends on the photo-initiator system used. This results might be useful for developing new adhesives.

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  • Relation between the molecular structure of functional monomers and their interaction on apatite surface

    Grant number:18592088  2006 - 2009

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    OGAWA Tatsuyuki, YOSHIDA Yasuhiro, SUZUKI Kazuomi

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    Grant amount:\4220000 ( Direct expense: \3500000 、 Indirect expense:\720000 )

    Although decayed/fractured teeth can be reconstructed minimally invasively and nearly invisibly using adhesive technology, the clinical longevity of dental composite restorations is still too short. Water sorption is thought to be the principal cause of destabilization of the biomaterial-tooth bond. However, the actual mechanisms of interfacial degradation are far from understood. In this study, the interaction of three monomers (4-MET/10-MDP/Phenyl-P) with hydroxyapatite (HAp), and for an experimental 10-MDP:EtOH:H_2O (15:45:40wt%) self-etch primer also with dentin/enamel, was characterized by XPS and XRD. The tensile bond strength (TBS) to enamel/dentin of the primer with and without 1wt% camphorquinone (CQ) added, was also measured. Regarding molecular interaction, the two extremes were Phenyl-P that rather "etched" and 10-MDP that rather "bonded" to HAp (with 4-MET behaving somewhat in between). XRD revealed a higher crystallite size/cristallinity for enamel, while nano-layering was more pronounced at dentin. The exp. primer needed CQ to obtain a TBS to dentin comparable to that of commercial material including 10-MDP, but not when bonded to enamel. It was indicated that adequate polymerization (by CQ) is needed to stabilize the formed nano-layer.

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  • 短波長レーザーによる照射歯面の構造解析と歯科用レーザーへの応用

    Grant number:18659573  2006 - 2007

    日本学術振興会  科学研究費助成事業 萌芽研究  萌芽研究

    鈴木 一臣, 吉田 靖弘, 入江 正郎, 田仲 持郎, 小河 達之

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    Grant amount:\3300000 ( Direct expense: \3300000 )

    緒言:歯科用レーザーは,エアータービンやマイクロモーターのような騒音や振動による不快感がなく,さらには無麻酔での治療が可能であることから,回転切削機械に代るう蝕治療機器として注目を集めている。特に,Er:YAGレーザー(波長;2940nm)は,歯牙硬組織の窩洞形成ができることでう蝕治療において重宝されている。しかし,この種のレーザー照射を受けた歯質は熱および,加工によって変性やマイクロクラックが起り,劣化するという欠点が指摘されている。そこで本研究は,Er:YAGレーザーと比較して発熱の少ない短波長レーザーに着目し,その歯質への影響を形態変化ならびに接着強さから検討した。
    材料および方法:1)被照射体は,牛切歯歯冠部唇側面をトリーミングして得た縦15mm,横10mm,厚さ3mmのエナメル質および象牙質をシリコンカーバイトペーパー(#600)によって研磨して用いた。2)レーザー照射は,1)の歯質にレーザー波長355nmおよび266nmの2種類を用いて行った。3)レーザー照射歯質の形態変化は、SEM像から解析した。4)接着強さの測定は,短波長レーザー照射歯質被着体に対するリン酸エステル系接着システム(メガボンド,クラレ社)の値を求めた。
    結果および考察:短波長レーザー照射歯質の形態は,エナメル質および象牙質のいずれも極めてスムーズな面を程しており,コントロールとしたEr:YAGレーザー照射歯質の形態変化と比較して残存歯質組織のダメージが少ないことが明らかとなった。この現象は,短波長レーザーの特長の一つに挙げられている熱変性等を起こさずに微細加工ができることに基因しているものと考えている。一方接着強さにおいては,コントロール(Er:YAGレーザー;エナメル質:12MPa,象牙質:9MPa)に対比して40〜60%増大した。

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Class subject in charge

  • Guide for Medical Information and Communication Technology (2022academic year) Second semester  - 金6,金7

  • Introduction to Information Processing 1 (2022academic year) 1st semester  - 月6,木6

  • 医療情報処理入門 (2021academic year) 第2学期  - 金6・7

  • 情報処理入門1(情報機器の操作を含む) (2021academic year) 第1学期  - 月6木6

  • 情報処理入門1(情報機器の操作を含む) (2020academic year) 第1学期  - 月6木6

  • 情報処理入門1(情報機器の操作を含む) (2019academic year) 第1学期  - 月6木6

  • 情報処理入門1(情報機器の操作を含む) (2018academic year) 第1学期  - 月6木6

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