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学科主题: 口腔医学
题名:
A clinical investigation on disc displacement in sagittal fracture of the mandibular condyle and its association with TMJ ankylosis development
作者: Duan, D. H.2; Zhang, Y.1
关键词: disc displacement ; sagittal fracture ; mandibular condyle ; joint ankylosis
刊名: INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY
发表日期: 2011-02-01
DOI: 10.1016/j.ijom.2010.11.011
卷: 40, 期:2, 页:134-138
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Dentistry, Oral Surgery & Medicine ; Surgery
研究领域[WOS]: Dentistry, Oral Surgery & Medicine ; Surgery
关键词[WOS]: TEMPOROMANDIBULAR-JOINT ANKYLOSIS
英文摘要:

This retrospective study evaluated the potential influence of the sagittal fracture pattern and articular disc displacement on the development of temporomandibular joint (TMJ) ankylosis. 33 sagittal fractures of mandibular condyles (SFMCs) in 19 patients were treated conservatively and were divided into non-ankylosis and ankylosis groups based on their prognosis. Using computed tomography (CT) images, the SFMCs were classified into types I, II and III, and the displacement of the articular disc was investigated using magnetic resonance imaging (MRI). There were 19 (58%) SFMCs in the non-ankylosis group: 5 were type I SFMCs, which did not show any disc displacement; the other 14 were type II SFMCs, which included 5 cases without disc displacement and 9 cases with disc displacement. In the non-ankylosis group, the lateral poles were completely or incompletely covered by the discs. There were 14 (42%) SFMCs in the ankylosis group, all of which were type III SFMCs showing disc displacement, and the lateral poles in these cases were not covered by the discs. This investigation confirmed that the disc position was highly associated with the position of the fractured fragment and that some SFMC patterns, especially type III SFMCs, indicated a high risk of TMJ ankylosis.

语种: 英语
所属项目编号: 30572047
项目资助者: National Natural Science Foundation of China
WOS记录号: WOS:000288471100002
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/50466
Appears in Collections:北京大学口腔医学院_综合治疗科_期刊论文

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作者单位: 1.Peking Univ, Dept Oral & Maxillofacial Surg, Sch & Hosp Stomatol, Beijing 100081, Peoples R China
2.Peking Univ, Dept Gen Dent, Sch & Hosp Stomatol, Beijing 100081, Peoples R China

Recommended Citation:
Duan, D. H.,Zhang, Y.. A clinical investigation on disc displacement in sagittal fracture of the mandibular condyle and its association with TMJ ankylosis development[J]. INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY,2011,40(2):134-138.
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