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タイトル: Condylar and disc positions after sagittal split ramus osteotomy with and without Le Fort I osteotomy
著者: Ueki, Koichiro
Marukawa, Kohei
Shimada, Mayumi
Hashiba, Yukari
Nakagawa, Kiyomasa
Yamamoto, Etsuhide
上木, 耕一郎
丸川, 浩平
羽柴, 由香里
中川, 清昌
山本, 悦秀
発行日: 2007年 3月
出版社(者): Elsevier
引用: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics 103(3),pp. 342-348
雑誌名: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
ISSN: 1079-2104
巻: 103
号: 3
開始ページ: 342
終了ページ: 348
抄録: Purpose: The purpose of this study is to examine the changes in temporomandibular joint (TMJ) morphology and clinical symptoms after sagittal split ramus osteotomy (SSRO) with and without a Le Fort I osteotomy. Subjects and Methods: Of 45 Japanese patients with mandibular prognathism, 23 underwent SSRO and 22 underwent SSRO in combination with a Le Fort I osteotomy. The TMJ symptoms and joint morphology, including disc tissue, were assessed preoperatively and postoperatively by magnetic resonance imaging (MRI) and axial cephalography. Results: There were significant differences between pre- and postoperative horizontal changes in the condylar long axis on the right side in the group undergoing SSRO (sagittal split ramus osteotomy) alone. However, there were no other significant differences in pre- and postoperative measurements in this group as compared with the group receiving SSRO plus Le Fort I osteotomy, and the preoperative disc position could not be changed in either group. Conclusion: These results suggest that SSRO, either with or without Le Fort I osteotomy, could not change the preoperative disc position or correct anterior disc displacement, although these procedures did improve the symptoms associated with TMJ dysfunction. © 2007 Mosby, Inc. All rights reserved.
URI: http://hdl.handle.net/2297/3658
関連URI: http://dx.doi.org/10.1016/j.tripleo.2006.05.024
http://www.elsevier.com/locate/issn/10792104
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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