alexa Functional outcomes of gap and interposition arthroplasty in the treatment of temporomandibular joint ankylosis.


Journal of Arthritis

Author(s): Bhatt K, Roychoudhury A, Bhutia O, Pandey RM

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Abstract PURPOSE: Recurrence is a major concern in management of temporomandibular joint ankylosis. In this study functional outcomes of gap arthroplasty (group I) and temporalis myofascial interposition arthroplasty (group II) are compared. MATERIALS AND METHODS: Preoperative, intraoperative, and follow-up data were noted from our departmental database. Outcome variables were postoperative mouth opening, open bite, recurrence, and facial nerve dysfunction. The χ2 test, Fisher test, t test, 2-sample Wilcoxon rank sum test, and logistic regression analysis were used. RESULTS: Group I comprised 207 patients, and group II comprised 55 patients. The mean age was 12.9 years (SD, 7.0 years). There were 220 nonrecurrent and 42 recurrent cases. The mean follow-up period was 3.78 years (SD, 3.0 years). In first time-operated cases, the recurrence rate was 14.7\% in group I and 4.8\% in group II. In recurrent cases, the recurrence rate was 34.5\% and 30.8\%, respectively. The differences were statistically insignificant. CONCLUSIONS: In first-time operated temporomandibular joint ankylosis cases, both treatments are satisfactory in preventing recurrence, but the recurrence rate increases with previous recurrences. Copyright © 2014 American Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. All rights reserved. This article was published in J Oral Maxillofac Surg and referenced in Journal of Arthritis

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