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

This review provides a comprehensive overview of the anatomy of the submental vein, synthesizing recent findings on its development, anatomical features, course, and clinical significance. Additionally, it introduces the mylohyoid triangle, a new anatomical landmark where the submental vein, submental artery, and the nerve to the mylohyoid muscle run in parallel. As an essential structure in head and neck reconstructive surgery, the submental vein exhibits considerable anatomical variability, primarily due to its complex developmental process. This review highlights the importance of understanding the anatomy of the submental vein and performing thorough preoperative evaluations to enhance surgical success.

DOI： 10.1007/s00276-025-03636-6

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Anatomical details regarding venous drainage of the head and neck are an important matter for surgeons to avoid unnecessary complications such as hemorrhage. This report describes a case of the large venous ring around the mandibular condyle found in the cadaver. The left maxillofacial region of a latex-injected embalmed male cadaver (82 years of age at death) was dissected. The large two maxillary veins ran lateral to the capsule and superior to the mandibular notch and coursed posteroinferiorly to merge, and one trunk was formed at the posterior border of the ramus. It then received the superficial temporal vein superiorly to form the retromandibular vein (RMV). In addition, three maxillary veins were drained from the pterygoid venous plexus (PVP), medial to the ramus, one maxillary vein drained from the PVP into the RMV trunk, while two maxillary veins drained from the PVP into the anterior division of the RMV. All five large veins lateral and medial to the condyle drained from the PVP into the RMV. The knowledge of such an anatomical variation might prevent intraoperative bleeding in the temporomandibular joint region.

DOI： 10.1007/s00276-025-03602-2

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

This article aimed to develop evidence-based anatomical terminology in dentistry agreed upon by experts in multiple fields and ultimately to bridge anatomy and clinical dentistry. A comprehensive list of dental anatomical terminology was detailed in table format, and specific terms of interest were highlighted with their respective literature review. The presence of teeth is a unique feature of the oral cavity where dental professionals work. Dentistry is a highly specialized field focusing on preserving the health of dentition and its supporting and surrounding structures. Thus, "teeth" and "mouth" related anatomical terms must be very specialized for dentistry. Many of the terms highlighted were clinical dental or alveolar-related terms that were not clearly established in the general anatomical terminology. The authors hope the evidence-based anatomical terminology in dentistry developed by a consortium of experts will be generally accepted worldwide and ultimately bridge the fields of anatomy and clinical dentistry.

DOI： 10.1002/ca.24260

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DOI： 10.1016/j.adaj.2024.11.012

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Publishing type：Research paper (scientific journal)   Publisher：Society for Hard Tissue Regenerative Biology  

DOI： 10.2485/jhtb.34.35

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Authorship：Lead author,　Corresponding author   Language：English  

DOI： 10.1007/s00276-024-03493-9

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BACKGROUND: The anatomical proximity between the root apex of the maxillary posterior teeth and the maxillary sinus can lead to complications, including odontogenic maxillary sinusitis. While several studies have investigated similar variables in different populations, there is limited research on the Indonesian population. This study aimed to describe the anatomical position of the maxillary posterior teeth in relation to the floor of the maxillary sinus using CT scans. METHODS: A total of 122 patients (432 maxillary premolars and 1,282 maxillary molars) underwent CT scans to evaluate 1,711 roots. The vertical relationship between the root apex of the maxillary posterior teeth and the maxillary sinus was classified into three types: IS (inside sinus), CO (sinus contact), and OS (outside sinus). RESULTS: The IS type was predominantly found in the palatal roots of the first molars, accounting for 20% of the total roots in this type. The CO type was most frequently observed in the mesiobuccal roots of the second molars, representing 18% of the total roots in this type. The OS type was most commonly found in the first premolar, comprising 20% of the total roots in this type. CONCLUSIONS: The palatal roots of the first molars exhibited the highest frequency of proximity to the maxillary sinus. CT scans can effectively assess the relationship between the root apex of the posterior teeth and the maxillary sinus. CLINICAL RELEVANCE: Clinicians should consider this information comprehensively when planning treatments for maxillary molars.

DOI： 10.1186/s12903-024-04783-9

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The lingual nerve (LN) is a branch of the mandibular division of the fifth cranial nerve, the trigeminal nerve, arising in the infratemporal fossa. It provides sensory fibers to the mucous membranes of the floor of the mouth, the lingual gingiva, and the anterior two-thirds of the tongue. Although the LN should rarely be encountered during routine and basic oral surgical procedures in daily dental practice, its anatomical location occasionally poses the risk of iatrogenic injury. The purpose of this section is to consider this potential LN injury risk and to educate readers about the anatomy of this nerve and how to treat it.

DOI： 10.1002/ca.24211

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Authorship：Corresponding author   Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

Abstract

A dentinogenic ghost cell tumor (DGCT) is a rare benign odontogenic tumor that commonly shows characteristics of solid proliferation and has a relatively high risk of recurrence after surgical treatment. We herein report a case of a central DGCT that occurred in the maxilla and resulted in bone expansion. This study highlights new imaging findings (particularly magnetic resonance imaging) along with histopathological observations. In addition, we conducted a review of the existing literature on this rare tumor. A 37-year-old man developed swelling around the right cheek. A benign odontogenic tumor such as ameloblastoma was suspected based on the imaging examination findings (including bone expansion and the internal characteristics of the tumor) on panoramic imaging, computed tomography, and magnetic resonance imaging. The lesion was surgically excised from the right maxilla. Postoperative histopathological examination led to a definitive diagnosis of central DGCT. The tumor comprised epithelial neoplastic islands, resembling ameloblastoma, inside tight fibroconnective tissue; masses of ghost cells and formation of dentin were also observed. We had suspected that the minute high-density region around the molars on the imaging examinations represented alveolar bone change; however, it represented dentin formation. This led to difficulty diagnosing the lesion. Although DGCT may present characteristic findings on imaging examinations, its occurrence is infrequent, and in some cases, the findings may include the presence or absence of an impacted tooth without obvious calcification. The present case suggests that we should consider the possibility of an odontogenic tumor with calcification when high-density structures are observed inside the lesion.

DOI： 10.1007/s11282-024-00764-4

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Other Link： https://link.springer.com/article/10.1007/s11282-024-00764-4/fulltext.html

Publishing type：Research paper (scientific journal)   Publisher：MDPI AG  

Cisplatin is a platinum-based compound that is widely used for treating inoperable oral squamous cell carcinoma (OSCC) in Japan; however, resistance to cisplatin presents a challenge and innovative approaches are required. We aimed to investigate the therapeutic potential of targeting the chemokine receptor CXCR4, which is involved in angiogenesis and tumor progression, using the CXCR4 inhibitor AMD3100, in combination with cisplatin. AMD3100 induced necrosis and bleeding in OSCC xenografts by inhibiting angiogenesis. We investigated the combined ability of AMD3100 plus cisplatin to enhance the antitumor effect in cisplatin-resistant OSCC. An MTS assay identified HSC-2 cells as cisplatin-resistant cells in vitro. Mice treated with the cisplatin-AMD combination exhibited the most significant reduction in tumor volume, accompanied by extensive hemorrhage and necrosis. Histological examination indicated thin and short tumor vessels in the AMD and cisplatin–AMD groups. These results indicated that cisplatin and AMD3100 had synergistic antitumor effects, highlighting their potential for vascular therapy of refractory OSCC. Antitumor vascular therapy using cisplatin combined with a CXCR4 inhibitor provides a novel strategy for addressing cisplatin-resistant OSCC.

DOI： 10.3390/cancers16132326

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Among the anatomical spaces in the head and neck area, the buccal space has often been studied in dental/oral surgery and cosmetic surgery because it contains the facial vessels, mandibular and facial nerves, and adipose tissue called the buccal fat pad. In addition, as the space can communicate with other spaces, it can be significant in infections. Although the anatomy of the buccal space has been reported in several studies, there have been discrepancies concerning its boundaries, and its communications have often been overlooked. The aim of this review is to examine the anatomy of buccal space including its boundaries, contents, continuity with adjacent spaces, and clinical significance. A literature review was performed on Google Scholar and PubMed. The literature has depicted the anterior, medial, and lateral boundaries more or less consistently, but descriptions of the posterior, superior, and inferior borders are controversial. The buccal space includes the facial arteries, veins, facial nerves, parotid duct, and lymph nodes, which can be described differently depending on definitions and the extent of the space. As it communicates with other anatomical spaces including the masticatory space, it can be a reservoir and a channel for infections and tumors. Buccal fat pads have various clinical applications, from a candidate for flap reconstruction to a target for removal for cosmetic purposes. This review will help understand the anatomy of the buccal space including its boundaries, residing structures, and communication with other spaces from surgical and radiological perspectives.

DOI： 10.1097/SCS.0000000000010411

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DOI： 10.1007/s11282-023-00734-2

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Authorship：Corresponding author   Publishing type：Research paper (scientific journal)  

DOI： 10.1007/s40846-024-00848-w

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DOI： 10.1007/s00276-024-03453-3

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The mylohyoid is one of the suprahyoid muscles along with the geniohyoid, digastric, and stylohyoid muscles that lies between the anterior belly of the digastric muscle inferiorly and the geniohyoid superiorly. In Part II, the radiology and clinical/surgical importance of the mylohyoid muscle will be discussed.

DOI： 10.1097/SCS.0000000000009797

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The mylohyoid is one of the suprahyoid muscles, along with the geniohyoid, digastric, and stylohyoid muscles. It lies between the anterior belly of the digastric muscle inferiorly and the geniohyoid superiorly. In Part I, the anatomy and embryology of the mylohyoid muscle will be reviewed in preparation for the clinical discussion in Part II.

DOI： 10.1097/SCS.0000000000009812

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Spandidos Publications  

DOI： 10.3892/ol.2023.13980

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A collision tumor refers to the coexistence of two diagnostically distinct tumors in a common anatomic space. Collision tumors are rare in the oral and maxillofacial region. The present study reported on the case of an 82-year-old female with a collision tumor in the maxillary sinus consisting of small cell carcinoma (SmCC) and squamous cell carcinoma (SCC). Computed tomography (CT) imaging revealed a mass in the right maxillary sinus. The lesion exhibited heterogeneous low signal intensity (SI) on T1-weighted imaging (T1WI), high SI on short T1 inversion recovery and heterogeneous solid enhancement on contrast-enhanced T1WI. The histopathology result of a biopsy specimen confirmed SmCC. After the patient received a course of chemoradiotherapy, follow-up CT revealed a residual tumor. In a second surgery, a remaining tumor and histopathology revealed SCC with no evidence of SmCC. The final diagnosis was a collision tumor made up of SCC and SmCC.

DOI： 10.3892/mco.2022.2529

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OBJECTIVES: To examine the diagnostic usefulness and procedures of ultrasonography (US) for mass lesions in the soft tissue of the oral region. METHODS: This study involved patients with mass lesions (tumorous lesions and cysts) who had undergone US and histopathological examinations from January 2017 to December 2019. The following points were evaluated by two observers using an evaluation scale: vascularity, echo intensity level, boundary, margin shape, distribution of internal echoes, and capsule. The usefulness of each point for differential diagnosis of tumorous lesions and cysts was statistically analyzed. RESULTS: Forty-five mass lesions in the soft tissue of the oral region (33 tumorous lesions and 12 cysts) were analyzed. There were significant differences in four evaluation points between the tumorous lesions and cysts: vascularity, echo intensity level, boundary, and margin shape. Cysts were almost completely excluded diagnostically, especially when vascularity was observed. There were also significant differences in two evaluation points between nonvascular tumorous lesions and cysts: echo intensity level and boundary. CONCLUSIONS: In US examination for mass lesions in the oral region, it was possible to diagnose tumorous lesions and exclude cysts when vascularity was observed. When vascularity was not observed, however, tumorous lesions and cysts could be identified using two evaluation points: echo intensity level and boundary.

DOI： 10.1007/s11282-022-00605-2

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Purpose: To focus on the effects of the presence of mesiodens on adjacent teeth and to investigate the timing of its safe removal. Materials and Methods: Cone-beam computed tomography examinations, obtained at Okayama University Hospital over a three-year period, were inspected. Data were recorded including the number of mesiodens; associated abnormalities; and the relationship with neighboring structures. Depending on multiple factors, the risk of developing complications due to early extraction of a mesiodens was divided into three categories: high, medium, and low risk. Results: A total of 5,958 cone-beam computed tomography exams were obtained, 460 patients aged 3-85 years were diagnosed with a total of 568 mesiodens, 382 (67.3%) of which were discovered in young patients (age <10 years), and 333 (87.2%) of these were associated with abnormalities. Regarding the risk categories, 11 (1.9%) were considered to be in the high-risk, five (0.9%) in the medium-risk and 552 (97.2%) in the low-risk categories. Moreover, eight out of 11 high-risk mesiodens were extracted and no post-operative complications have been seen. Conclusion: As the results showed that no postoperative complications were seen in all the extracted cases of high-risk mesiodens, this indicates the possibility of safe extraction at an early age which could reduce related future complications.

DOI： 10.5624/isd.20210218

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Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

DOI： 10.2174/18742106-v16-2202140

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PURPOSE: Since cone-beam computed tomography was developed, a number of radiological studies on the bifid mandibular canals (BMCs) and trifid mandibular canals (TMCs) have been reported. However, many of the suggested subtypes of the BMC described in the literature seem to be normal branches of the inferior alveolar nerve. This might be due to a lack of revisiting classic anatomical studies in the field of radiology. Therefore, such studies are revisited here. METHODS: A database search using PubMed and Google Scholar was conducted on BMC and TMC. Eighty-nine articles underwent full-text assessment. The reported three classifications of BMC and the six modified classifications were reviewed and compared to the intramandibular inferior alveolar nerve branches. RESULTS: Some subtypes of BMC and TMC simply represent normal inferior alveolar nerve branches, i.e., retromolar branch, molar branch (alveolar branch/dental branch), large mental branch, or communicating branch. Others such as Naitoh's type III BMC and forward canal might be a true BMC. CONCLUSION: We found that the bifid mandibular canal is an additional intramandibular canal running parallel to the mandibular canal with/without confluence with the main canal through comparison of classifications of BMC/TMC between the radiology and anatomy fields.

DOI： 10.1007/s00276-021-02862-y

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DOI： 10.3892/ol.2021.13039

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

PURPOSE: The displacement of the tooth/tooth fragment into the floor of mouth sometimes happens during the lower third molar surgery and the patients are usually referred to oral and maxillofacial surgeons. To date, however, there is no consensus how to manage the displaced tooth due to the lack of available data. METHODS: In this study, we have retrospectively analyzed the management of the displaced lower third molar into the floor of mouth. Our institute experienced seven cases during 2010 to 2020. RESULTS: Incidence rate of the lingual nerve injury caused by displacement of the lower third molar was 1/7. Six patients out of seven underwent surgical removal of the displaced fragment. The direct approach was used when the fragment was palpable superficially and the fragment was horizontally located away from the lingual plate (2 cases), while when the fragment was not palpable, or was palpable and adjacent to the lingual plate, the lingual mucoperiosteal flap was selected (4 cases). CONCLUSION: We conclude that the palpation and preoperative diagnosis with computed tomographic images are significantly important to decide a better and most effective surgical approach.

DOI： 10.1007/s10006-021-01012-3

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Other Link： https://link.springer.com/article/10.1007/s10006-021-01012-3/fulltext.html

Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

The purpose of this study was to evaluate the risk of injury to the facial (FA) and related arteries during mandibular third molar (MTM) extraction using contrast-enhanced computed tomography (CE-CT). CE-CT images of the MTM region were retrospectively reviewed. The area of the MTM was equally divided into three zones in the coronal images from mesial to distal, that is, zone 1, zone 2, and zone 3. The FA, submental artery (SMA), and sublingual artery (SLA) were identified. The distance from the mandible to FA, SMA, and SLA and the diameter of the FA, SMA, and SLA was measured in three zones, respectively. The thickness of the facial soft tissues and width of the mandible were measured at their maximum. The mean distance from the FA to the buccal cortical bone in zone 1, zone 2 and zone 3 was 2.24 mm, 2.39 mm and 1.67 mm, respectively. The SMA and SLA were found to be distal to the mandible. The mean diameter of the FA was 1.26 mm in males and 1.04 mm in females, respectively (p < 0.0001). The distance between the FA and buccal cortical bone of the mandible, and the patients' weight showed moderate correlation in zones 1 and 2. Based on our findings, the FA can be damaged if the surgical invasion reaches the facial soft tissues during MTM surgery. The patients' weight might be a good predictor for FA injury when CE-CT is not available.

DOI： 10.1002/ca.23779

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The general principles of anatomical terminology indicate that the "mandibular canal" should be named the "inferior alveolar canal" as it accommodates the inferior alveolar neurovascular bundles. Therefore, we performed a Delphi study to evaluate the current understanding and use of the terminology in different geographical regions and areas of expertise and to determine the appropriate terminology for this bony canal. A Delphi panel was formed and questions sent and answered via email about: field of expertise (anatomy, oral surgery/oral and maxillofacial (OMF) surgery, oral radiology/OMF radiology, plastic surgery, ENT surgery, or dentistry with the exception of oral/OMF surgery and oral/OMF radiology), years of experience in the field of expertise, country currently working in, "what is the name of the bony canal that contains the inferior alveolar neurovascular bundle," and "what should the structure above be called, in general?" A total of 52 participants responded to the questionnaire. Half or more of the experts in anatomy, oral/OMF surgery, and ENT/plastic surgery considered "mandibular canal" to be the most appropriate name for this bony canal. In contrast, more than half of all experts in oral/OMF radiology and dentistry, that is, most fields of dentistry, considered "either mandibular canal or inferior alveolar canal" to be the appropriate name. The results of the Delphi study and general principles suggest that an alternative term for the "mandibular canal" should be "inferior alveolar canal."

DOI： 10.1002/ca.23740

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Lower third molar removal is the most commonly performed dental surgical procedure. Nevertheless, it is difficult to ensure that all the informed consent forms given to patients are based on the best evidence as many newer publications could change the conclusions of previous research. Therefore, the goal of this review article is to cover existing meta-analyses, randomized control trials, and related articles in order to collect data for improved and more current informed consent.

DOI： 10.1002/ca.23693

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OBJECTIVES: The purpose of this study was to evaluate the usefulness of Hounsfield unit (HU) assessment with multislice-CT in the differentiation of radicular cysts (RCs), dentigerous cysts (DCs) and odontogenic keratocysts (OKCs). METHODS: In total, 307 odontogenic cysts (RCs, DCs and OKCs) were included in this study. Cysts with lesion diameter <10 mm, cysts with artefacts affecting measurement of HU values, cysts involving infection and recurrent cysts were regarded as exclusion criteria. Images were acquired in three different types of CT scanners: Aquilion ONE, Discovery CT750 HD and SOMATOM Definition Flash. Differences in HU values among scanners and among types of odontogenic cysts were assessed using one-way analysis of variance; multiple comparisons were performed post hoc, using the Tukey-Kramer honestly significant difference test. RESULTS: In total, 164 cysts were analysed in this study (64 RCs, 57 DCs and 43 OKCs). Regardless of the type of lesion, the Aquilion ONE scanner demonstrated a significant difference in HU value, compared with the Discovery CT750 HD scanner. Regardless of CT scanner model, HU values significantly differed between DCs and OKCs (p < 0.0001), as well as between OKCs and RCs (p < 0.0001). CONCLUSIONS: HU values were found to vary among CT scanners and should always be associated with other lesion imaging features while interpreting and elaboration diagnostic hypothesis. Notably, the results suggested that OKCs might be able to be differentiated from DCs and RCs by using HU values.

DOI： 10.1259/dmfr.20200188

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DOI： 10.1016/j.radonc.2020.12.007

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Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

The numbers of abnormal findings incidentally detected in adjacent regions are increasing with advances in imaging modalities. The present study aimed to examine the prevalence and characteristics of incidental findings in the thyroid gland on computed tomography (CT) images of the oral and maxillofacial region. CT scans of the oral and maxillofacial region in patients obtained between January 2012 and December 2016 were retrospectively reviewed. Images that revealed incidental findings in the thyroid gland, including nodules, were recorded, together with the sizes and characteristics of the findings. The Japan Association of Breast and Thyroid Sonology (JABTS) guidelines were used for classification. The rate of descriptions of these findings in the radiographic interpretation reports were also examined. Of the 1,135 patients examined, 326 (28.7%) had several types of incidental findings. In particular, 169 (14.9%) of the 1,135 patients had nodules >5 mm in diameter, for which further careful examination is recommended in the JABTS guideline. The description rate for nodules >5 mm in diameter in the radiographic interpretation reports was 30.8% (52/169 patients), of whom 17.3% (9/52 patients) were referred to the endocrinology department for further careful examination. Incidental findings in the thyroid gland were relatively common on CT images of the oral and maxillofacial region. Oral radiologists tend to focus specifically on the oral and maxillofacial region during diagnosis on oral and maxillofacial CT images, but should pay the same careful attention to observe adjacent regions, such as the thyroid gland.

DOI： 10.3892/ol.2020.11298

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DOI： 10.1007/s11282-018-0359-3

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OBJECTIVE: To determine the optimum cone beam computed tomography exposure parameters for specific diagnostic tasks. METHODS: A Teflon phantom attached to a half-mandible in a large container was scanned in dental (D), implant (I), and panoramic (P) modes. An identical phantom in a small container was scanned in D mode. Both were scanned at 60, 80, 100, and 120 kV. We evaluated the image quality of five anatomical structures [dentinoenamel junction (1), lamina dura and periodontal ligament space (2), trabecular pattern (3), cortex-spongy bone junction (4), and pulp chamber and root canal (5)] and analyzed the diagnostic image quality with cluster signal-to-noise analysis. We then evaluated correlations between the two image qualities and calculated the threshold of acceptable diagnostic image quality. Optimum exposure parameters were determined from images with acceptable diagnostic image quality. RESULTS: For the small container, the optimum exposure parameters were D mode, 80 kV for (1), (3), and (4) and D mode, 100 kV for (5). For the large container, they were D mode, 120 kV for (1), (3), and (5) and D mode, 100 kV for (4). I mode, 120 kV reached the acceptable level for (4). No images reached the acceptable level for (2). CONCLUSIONS: No optimum exposure parameters were identified for the evaluation of the lamina dura and periodontal ligament space. D mode was sufficient for the other structures; however, the tube voltage required for each structure differed. Smaller patients required lower tube voltage. I mode, 120 kV may be used for larger lesions.

DOI： 10.1007/s11282-018-0348-6

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DOI： 10.5624/isd.2019.49.1.27

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer Tokyo  

DOI： 10.1007/s11282-018-0325-0

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：British Institute of Radiology  

DOI： 10.1259/dmfr.20170369

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：British Institute of Radiology  

DOI： 10.1259/dmfr.20170147

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Bentham Science Publishers B.V.  

DOI： 10.2174/1874210601812010012

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Language：Japanese   Publisher：(NPO)日本歯科放射線学会  

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Other Link： https://search.jamas.or.jp/index.php?module=Default&action=Link&pub_year=2019&ichushi_jid=J00567&link_issn=&doc_id=20190411290002&doc_link_id=10.11242%2Fdentalradiology.58.58&url=https%3A%2F%2Fdoi.org%2F10.11242%2Fdentalradiology.58.58&type=J-STAGE&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00007_3.gif

Publishing type：Research paper (scientific journal)   Publisher：Society for Hard Tissue Regenerative Biology  

DOI： 10.2485/jhtb.27.275

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DOI： 10.1259/dmfr.20160315

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DOI： 10.1259/dmfr.20160331

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Language：Japanese   Publisher：(NPO)日本歯科放射線学会  

平均的な観察者が識別可能な最小輝度差である輝度弁別閾(JND)を検出閾値の設定に利用した画質評価法を開発し、観察者評価に替わり得るか否かを検討した。撮影対象は厚さを1mmずつ増加させた12段のアルミニウム製ブロックで、計7個の直径1mmのホールを有していた。デジタル口内法X線画像システムはDigora、Digora Optime、YCR-21XGの3機種を使用して撮影し、解析および観察により検出されなかったホール数(ホール非検出数)を画質視標とした。開発した評価法では、JNDインデックスを用いてホール非検出数の理論値を算出した。その結果、JNDを利用した評価法は、画像処理を行った場合の機種間の比較には注意を要するものの、おおむね観察者と同様の評価が可能であることが示された。更に、観察値と解析値について回帰分析を行った結果、得られた回帰式の決定係数は0.80を超え、観察値は解析値により高い精度で推定できることが確認された。なお、解析値と観察値のばらつきを比較した結果、解析値のばらつきは著明に小さかった。

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Other Link： https://search-tp.jamas.or.jp/index.php?module=Default&action=Link&pub_year=2016&ichushi_jid=J00567&link_issn=&doc_id=20170529210006&doc_link_id=%2Fcg7dentr%2F2016%2F005601%2F006%2F0027-0032%26dl%3D0&url=https%3A%2F%2Fwww.medicalonline.jp%2Fjamas.php%3FGoodsID%3D%2Fcg7dentr%2F2016%2F005601%2F006%2F0027-0032%26dl%3D0&type=MedicalOnline&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00004_2.gif

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DOI： 10.1186/s13075-015-0751-x

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Language：Japanese   Publisher：(公社)日本歯科医師会  

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Language：Japanese   Publisher：(一社)日本病理学会  

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Language：Japanese   Publisher：岡山歯学会  

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J-GLOBAL

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Language：English   Publisher：(NPO)日本口腔科学会  

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Language：English   Publisher：(NPO)日本口腔科学会  

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Language：Japanese   Publisher：(一社)日本口腔診断学会  

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Language：Japanese   Publisher：(一社)日本口腔診断学会  

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Language：Japanese  

J-GLOBAL

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Language：Japanese   Publisher：(一社)日本口腔内科学会  

J-GLOBAL

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Language：Japanese   Publisher：(一社)日本口腔内科学会  

J-GLOBAL

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Language：English   Publisher：(NPO)日本歯科放射線学会  

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Authorship：Lead author  

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Language：Japanese   Publisher：(NPO)日本歯科放射線学会  

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Language：Japanese   Publisher：(NPO)日本歯科放射線学会  

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Event date： 2022.3

Language：Japanese   Presentation type：Symposium, workshop panel (public)  

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Event date： 2022.3

Language：Japanese   Presentation type：Symposium, workshop panel (public)  

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Event date： 2022.3

Language：Japanese   Presentation type：Symposium, workshop panel (public)  

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Event date： 2021.11

Language：Japanese   Presentation type：Poster presentation  

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Event date： 2021.10

Language：Japanese   Presentation type：Oral presentation (general)  

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Event date： 2021.9

Language：Japanese   Presentation type：Oral presentation (general)  

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Event date： 2021.9

Language：Japanese   Presentation type：Oral presentation (general)  

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Event date： 2021.5

Language：Japanese   Presentation type：Oral presentation (general)  

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Event date： 2021.5

Language：Japanese   Presentation type：Oral presentation (general)  

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Event date： 2021.5

Language：Japanese   Presentation type：Poster presentation  

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Event date： 2021.4

Language：Japanese   Presentation type：Oral presentation (general)  

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Event date： 2021.4

Language：English   Presentation type：Oral presentation (general)  

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Event date： 2021.4

Language：English   Presentation type：Poster presentation  

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Event date： 2021.4

Language：English   Presentation type：Oral presentation (general)  

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Event date： 2020.12

Language：Japanese   Presentation type：Oral presentation (general)  

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Event date： 2020.10

Language：Japanese  

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Event date： 2020.10

Language：Japanese   Presentation type：Oral presentation (general)  

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Event date： 2020.10

Language：Japanese   Presentation type：Oral presentation (general)  

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Event date： 2020.10

Language：Japanese  

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Event date： 2019.12

Language：Japanese   Presentation type：Oral presentation (general)  

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Event date： 2019.12

Language：Japanese   Presentation type：Oral presentation (general)  

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Event date： 2019.11

Language：Japanese   Presentation type：Oral presentation (general)  

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Event date： 2019.8

Language：English   Presentation type：Poster presentation  

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Event date： 2019.6

Language：Japanese   Presentation type：Poster presentation  

Venue：東京  

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Event date： 2019.1

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：鹿児島  

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Event date： 2018.10

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：東京  

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Event date： 2018.9

Language：English   Presentation type：Poster presentation  

Venue：インド  

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Event date： 2018.9

Language：Japanese   Presentation type：Poster presentation  

Venue：横浜  

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Event date： 2018.5

Language：English   Presentation type：Oral presentation (general)  

Venue：名古屋  

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Event date： 2018.5

Language：Japanese   Presentation type：Poster presentation  

Venue：神奈川  

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Event date： 2018.5

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：神奈川  

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Event date： 2018.5

Language：English   Presentation type：Oral presentation (general)  

Venue：名古屋  

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Event date： 2017.12

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：広島  

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Event date： 2017.11

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：盛岡  

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Event date： 2017.9

Language：Japanese   Presentation type：Poster presentation  

Venue：札幌  

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Event date： 2017.9

Language：Japanese   Presentation type：Poster presentation  

Venue：札幌  

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Event date： 2017.6

Language：English   Presentation type：Poster presentation  

Venue：鹿児島  

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Event date： 2017.4

Language：English   Presentation type：Oral presentation (general)  

Venue：Kaohsiung, Taiwan  

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Event date： 2016.12

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：福岡  

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Event date： 2016.11

Language：English   Presentation type：Poster presentation  

Venue：Chiangmai, Thailand  

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Event date： 2016.11

Language：English   Presentation type：Oral presentation (general)  

Venue：Chiangmai, Thailand  

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Event date： 2016.6

Language：English   Presentation type：Oral presentation (general)  

Venue：Seoul, Republic of Korea  

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Event date： 2016.6

Language：Japanese   Presentation type：Poster presentation  

Venue：大阪  

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Event date： 2016.5

Language：English   Presentation type：Oral presentation (general)  

Venue：Buenos Aires, Argentina  

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Event date： 2015.6

Language：Japanese   Presentation type：Poster presentation  

Venue：仙台  

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Event date： 2015.3

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：福岡  

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Event date： 2014.12

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：長崎  

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Event date： 2014.6

Language：Japanese   Presentation type：Poster presentation  

Venue：東京  

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Event date： 2013.11

Language：Japanese   Presentation type：Oral presentation (general)  

Venue：東京  

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Presentation type：Poster presentation  

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Presentation type：Oral presentation (general)  

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Presentation type：Poster presentation  

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Presentation type：Poster presentation  

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Presentation type：Oral presentation (general)  

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Presentation type：Poster presentation  

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Presentation type：Poster presentation  

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Presentation type：Poster presentation  

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Presentation type：Poster presentation  

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Presentation type：Oral presentation (general)  

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Presentation type：Poster presentation  

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Language：Japanese   Presentation type：Oral presentation (general)  

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Language：Japanese   Presentation type：Oral presentation (general)  

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Language：Japanese   Presentation type：Poster presentation  

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Language：English   Presentation type：Poster presentation  

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Language：Japanese   Presentation type：Oral presentation (general)  

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Language：Japanese   Presentation type：Oral presentation (general)  

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Language：Japanese   Presentation type：Symposium, workshop panel (public)  

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Language：Japanese   Presentation type：Poster presentation  

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Language：Japanese   Presentation type：Poster presentation  

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Language：Japanese   Presentation type：Poster presentation  

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Language：Japanese   Presentation type：Oral presentation (general)  

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