期刊
INTERNATIONAL JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY
卷 39, 期 4, 页码 333-342出版社
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.ijom.2010.01.005
关键词
temporomandibular joint; ankylosis; Egypt; surgery; gap arthroplasty; interpositional arthroplasty; mandibular reconstruction; distraction osteogenesis
The study reports the authors' experience in managing TMJ ankylosis in Delta Nile, Egypt (1995-2006) and compares the surgical modalities used. 101 patients (109 joints) were reviewed in this retrospective study. Pre- and postoperative assessment included history, radiological and physical examination, and mouth opening. Age, sex, aetiology, joint(s) affected, surgical modality, complications and follow up periods were evaluated. Various types (fibrous, fibro-osseous and bony) of TMJ ankylosis were diagnosed; trauma was the commonest aetiology. The patients' age range was 2-41 years, 62% were female, and the follow up period ranged from 14 to 96 months. Average mouth opening was significantly increased from 5.3 mm pre-operatively to 32.9 mm 12 months postoperatively (P = 0.0001). Marked improvement in mouth opening was documented when the ramus-joint complex was reconstructed using distraction osteogenesis (34.7 mm), costochondral graft (34.4 mm) and Surgibone (34.6 mm). Gap arthroplasty showed least satisfactory mouth opening compared with other techniques (P = 0.001). Minor and major complications were encountered in 33% of cases, including 5% recurrence rate. Early release of TMJ ankylosis; reconstruction of the ramus height with distraction osteogenesis or bone grafting combined with interpositional arthroplasty, followed by vigorous physiotherapy is successful for managing TMJ ankylosis.
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