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タイトル: Changes in occlusal force after mandibular ramus osteotomy with and without Le Fort I osteotomy
著者: Ueki, Koichiro
Marukawa, Kohei link image link image
Shimada, Mayumi
Nakagawa, Kiyomasa
Yamamoto, Etsuhide
上木, 耕一郎
丸川, 浩平
中川, 清昌
山本, 悦秀
発行日: 2007年 4月
出版社(者): Elsevier
引用: International Journal of Oral and Maxillofacial Surgery 36(4), pp.301-304
雑誌名: International Journal of Oral and Maxillofacial Surgery
ISSN: 0901-5027
巻: 36
号: 4
開始ページ: 301
終了ページ: 304
キーワード: bite force
orthognathic
osteotomy
抄録: The purpose of this study was to evaluate the differences in bite force changes and occlusal contacts after sagittal split ramus osteotomy (SSRO) and intraoral vertical ramus osteotomy (IVRO) with and without Le Fort I osteotomy. Sixty female patients with diagnosed mandibular prognathism with or without asymmetry were divided into four groups (SSRO, IVRO, SSRO with Le Fort I osteotomy and IVRO with Le Fort I osteotomy). Bite force and occlusal contacts were measured preoperatively and at 1, 3, 6 and 12 months after surgery with pressure-sensitive sheets. The differences among surgical procedures were examined statistically. Maximum bite force and occlusal contacts returned to preoperative levels after between 3 and 6 months. Regarding time-dependent changes in bite force and occlusal contact area, there were no significant differences among the groups. In conclusion, this study suggests that the combination of IVRO or SSRO and Le Fort I osteotomy does not affect postoperative time-dependent changes. © 2006 International Association of Oral and Maxillofacial surgeons.
URI: http://hdl.handle.net/2297/3657
関連URI: http://dx.doi.org/10.1016/j.ijom.2006.09.022
http://www.elsevier.com/locate/issn/09015027
資料種別: Journal Article
版表示: author
出現コレクション:1. 査読済論文

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