{"title":"シンポジウム2：顎矯正手術における3Dシミュレーションとナビゲーションの応用","authors":"","doi":"10.5927/jjjd.32.98","DOIUrl":"https://doi.org/10.5927/jjjd.32.98","url":null,"abstract":"","PeriodicalId":102257,"journal":{"name":"The Japanese Journal of Jaw Deformities","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130192958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Orthognathic Treatment for Prognathism in a Patient with Acromegaly","authors":"Saya Miyamoto, Hitoshi Sato, Yuji Kurihara, Motohiro Tanaka, Takanobu Inada, Ryogo Katada, Takashi Moriya, Arisa Yasuda, T. Shirota","doi":"10.5927/jjjd.31.197","DOIUrl":"https://doi.org/10.5927/jjjd.31.197","url":null,"abstract":"","PeriodicalId":102257,"journal":{"name":"The Japanese Journal of Jaw Deformities","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129793227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Y. Hariya, Katsuhisa Sekido, Michiko Okita, M. Harada, Kie Yamashiro, Risa Ishizaka
Treacher Collins syndrome, mandibulofacial dysostosis is a rare genetic disorder characterized by dysgenesis of the hard and soft tissues of the first and second branchi-al arches. The main clinical symptoms are hypoplastic facial bones （zygoma and mandible）, palpebral fissures, ear deformities, hearing loss, and cleft palate. Chin augmentation with a silicone implant is a relatively common practice in esthetic surgery. Although silicone appears to be a durable and safe material, it has been implicated in a variety of adverse inflammatory reactions. We herein report a case of Treacher Collins syndrome with a silicone implant removed from the chin because of odontogenic infection during a long period after augmentation genioplasty. A 58-year-old woman was referred to our hospital for the treatment of abscesses in her submental region. The patient had a history of esthetic surgery with silicone implantation for chin augmentation about 41 years prior. The postoperative course had been uneventful until recently when purulent discharge was noted through the skin in the submental region. orocutaneous fistulas the peripheral periodontitis of the mandibular anterior teeth. The biopsy showed granular tissue caused by persistent chronic infection due to the silicone implant. The subse-quent surgical intervention included the removal of the implant with repair of the orocutaneous fistulas and peripheral periodontitis of the mandibular anterior teeth. The importance of regular maintenance for oral hy-giene is essential to prevent secondary infection in a case of augmentation genioplasty with a silicone implant.
{"title":"A Case of Treacher Collins Syndrome with Odontogenic Infection Following Augmentation Genioplasty Using Silicone Implant","authors":"Y. Hariya, Katsuhisa Sekido, Michiko Okita, M. Harada, Kie Yamashiro, Risa Ishizaka","doi":"10.5927/jjjd.31.190","DOIUrl":"https://doi.org/10.5927/jjjd.31.190","url":null,"abstract":"Treacher Collins syndrome, mandibulofacial dysostosis is a rare genetic disorder characterized by dysgenesis of the hard and soft tissues of the first and second branchi-al arches. The main clinical symptoms are hypoplastic facial bones （zygoma and mandible）, palpebral fissures, ear deformities, hearing loss, and cleft palate. Chin augmentation with a silicone implant is a relatively common practice in esthetic surgery. Although silicone appears to be a durable and safe material, it has been implicated in a variety of adverse inflammatory reactions. We herein report a case of Treacher Collins syndrome with a silicone implant removed from the chin because of odontogenic infection during a long period after augmentation genioplasty. A 58-year-old woman was referred to our hospital for the treatment of abscesses in her submental region. The patient had a history of esthetic surgery with silicone implantation for chin augmentation about 41 years prior. The postoperative course had been uneventful until recently when purulent discharge was noted through the skin in the submental region. orocutaneous fistulas the peripheral periodontitis of the mandibular anterior teeth. The biopsy showed granular tissue caused by persistent chronic infection due to the silicone implant. The subse-quent surgical intervention included the removal of the implant with repair of the orocutaneous fistulas and peripheral periodontitis of the mandibular anterior teeth. The importance of regular maintenance for oral hy-giene is essential to prevent secondary infection in a case of augmentation genioplasty with a silicone implant.","PeriodicalId":102257,"journal":{"name":"The Japanese Journal of Jaw Deformities","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123286530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
for One such under the spotlight has been Orthognathic treatment. This lecture will cover the reasoning behind and subsequent at-tempts by the NHS at prioritisation of funding with respect to Orthognathic treatment; the development of the Index of Orthognathic Functional Treatment Need （IOFTN）; research into its suit-ability as an index for the prioritisation of Orthognathic treatment; and the results of the recent UK National audit of orthognathic treatment （incorporating the IOFTN） carried out in order to determine whether or not we as clinicians are doing the right thing in terms providing of orthognathic treatment for our patients.
{"title":"The significance of IOFTN in decision-making for surgical orthodontic treatment","authors":"T. Ireland","doi":"10.5927/jjjd.30.54","DOIUrl":"https://doi.org/10.5927/jjjd.30.54","url":null,"abstract":"for One such under the spotlight has been Orthognathic treatment. This lecture will cover the reasoning behind and subsequent at-tempts by the NHS at prioritisation of funding with respect to Orthognathic treatment; the development of the Index of Orthognathic Functional Treatment Need （IOFTN）; research into its suit-ability as an index for the prioritisation of Orthognathic treatment; and the results of the recent UK National audit of orthognathic treatment （incorporating the IOFTN） carried out in order to determine whether or not we as clinicians are doing the right thing in terms providing of orthognathic treatment for our patients.","PeriodicalId":102257,"journal":{"name":"The Japanese Journal of Jaw Deformities","volume":"13 7","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120815232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Taiki Morikawa, K. Nojima, Y. Nishii, Akira Watanabe, N. Takano, K. Sueishi
Long-term loss and caries of molars cause the collapse of occlusion. Loss of vertical occlusal stop complicates dental and skeletal problems and may make orthodontic treatment difficult. We report a case of facial asymmetry with contradictory lateral inclination between the upper occlusal plane and the inferior border of the mandibular body caused by occlusal collapse in the molars. The treatment outcome including stable occlusion and proper facial appearance was obtained after orthognathic treatment. A female aged 24 years and 3 months visited our hospital because of anterior teeth crowding and open bite. The mandible was deviated to the right in the frontal view. Her profile was straight-type but excessive lower height was noted in the lateral view. As intraoral findings, Class Ⅲ molar relation, −1.0mm of overjet, and −3.0mm of overbite were seen. Missing and crown collapse of the lower left molars caused the reduced occlusal vertical dimension. Skeletal evaluation by cephalometric analysis showed forward and downward projection of the mandible. The mandibular anterior teeth were retroclined. The collapse of the molars caused the facial asymmetry with the maxillary occlusal plane inclined to the lower left and mandibular body inclined to the lower right, as shown in P-A cephalometric analysis. The treatment plan was to perform maxillomandibular surgical orthodontic treatment with extraction of the maxillary right central incisor and first premolar, maxillary left first molar, and mandibular right first molar. In presurgical orthodontic treatment, the occlusal stop was to be obtained by the mesial movement of the molars. The inclined maxillary occlusal plane and the mandibular body were corrected by the bite-raising of the lower left molar section and extrusion of both upper and lower right molars. Orthognathic surgery was performed to improve the anterior-posterior, vertical, and horizontal skeletal discrepancy. In this case, the lateral inclination between the upper occlusal plane and the inferior border of the mandibular body were contradictory due to the loss of occlusal stop in the molars, resulting in the complicated facial asymmetry vertically and horizontally. By planning appropriate treatment, the occlusion and facial appearance were greatly improved.
{"title":"Surgical Orthodontic Treatment for Facial Asymmetry with Contradictory Lateral Inclination between the Upper Occlusal Plane and the Inferior Border of the Mandibular Body Caused by Occlusal Collapse in the Molars","authors":"Taiki Morikawa, K. Nojima, Y. Nishii, Akira Watanabe, N. Takano, K. Sueishi","doi":"10.5927/JJJD.29.66","DOIUrl":"https://doi.org/10.5927/JJJD.29.66","url":null,"abstract":"Long-term loss and caries of molars cause the collapse of occlusion. Loss of vertical occlusal stop complicates dental and skeletal problems and may make orthodontic treatment difficult. We report a case of facial asymmetry with contradictory lateral inclination between the upper occlusal plane and the inferior border of the mandibular body caused by occlusal collapse in the molars. The treatment outcome including stable occlusion and proper facial appearance was obtained after orthognathic treatment. A female aged 24 years and 3 months visited our hospital because of anterior teeth crowding and open bite. The mandible was deviated to the right in the frontal view. Her profile was straight-type but excessive lower height was noted in the lateral view. As intraoral findings, Class Ⅲ molar relation, −1.0mm of overjet, and −3.0mm of overbite were seen. Missing and crown collapse of the lower left molars caused the reduced occlusal vertical dimension. Skeletal evaluation by cephalometric analysis showed forward and downward projection of the mandible. The mandibular anterior teeth were retroclined. The collapse of the molars caused the facial asymmetry with the maxillary occlusal plane inclined to the lower left and mandibular body inclined to the lower right, as shown in P-A cephalometric analysis. The treatment plan was to perform maxillomandibular surgical orthodontic treatment with extraction of the maxillary right central incisor and first premolar, maxillary left first molar, and mandibular right first molar. In presurgical orthodontic treatment, the occlusal stop was to be obtained by the mesial movement of the molars. The inclined maxillary occlusal plane and the mandibular body were corrected by the bite-raising of the lower left molar section and extrusion of both upper and lower right molars. Orthognathic surgery was performed to improve the anterior-posterior, vertical, and horizontal skeletal discrepancy. In this case, the lateral inclination between the upper occlusal plane and the inferior border of the mandibular body were contradictory due to the loss of occlusal stop in the molars, resulting in the complicated facial asymmetry vertically and horizontally. By planning appropriate treatment, the occlusion and facial appearance were greatly improved.","PeriodicalId":102257,"journal":{"name":"The Japanese Journal of Jaw Deformities","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115958054","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"シンポジウム4：顎変形症と顎関節疾患のインターフェイスを探る","authors":"","doi":"10.5927/jjjd.31.72","DOIUrl":"https://doi.org/10.5927/jjjd.31.72","url":null,"abstract":"","PeriodicalId":102257,"journal":{"name":"The Japanese Journal of Jaw Deformities","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115289427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"エラータ","authors":"","doi":"10.5927/jjjd.33.258","DOIUrl":"https://doi.org/10.5927/jjjd.33.258","url":null,"abstract":"","PeriodicalId":102257,"journal":{"name":"The Japanese Journal of Jaw Deformities","volume":"2013 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123827127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"令和3年度学会賞受賞講演","authors":"","doi":"10.5927/jjjd.32.140","DOIUrl":"https://doi.org/10.5927/jjjd.32.140","url":null,"abstract":"","PeriodicalId":102257,"journal":{"name":"The Japanese Journal of Jaw Deformities","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115174399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Y. Kuwajima, Akane Ueda, T. Kawai, Hiroyuki Tanaka, Shintaro Kogi, Takayuki Honda, Hiroyuki Yamada, K. Satoh
{"title":"Investigation of Orthognathic Surgery in Japan Using the National Database","authors":"Y. Kuwajima, Akane Ueda, T. Kawai, Hiroyuki Tanaka, Shintaro Kogi, Takayuki Honda, Hiroyuki Yamada, K. Satoh","doi":"10.5927/jjjd.33.22","DOIUrl":"https://doi.org/10.5927/jjjd.33.22","url":null,"abstract":"","PeriodicalId":102257,"journal":{"name":"The Japanese Journal of Jaw Deformities","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123023127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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