Open surgery for internal derangement of the temporomandibular joint was performed in 9 patients, 10 joints. Postoperative follow-up studies of 17 months or more are described.
Satisfactory results were obtained in 8 cases, 9 joints according to the criteria of the American Society of Oral and Maxillofacial Surgery in 8 cases, 8 joints according to the criteria of Takahashi and Shibata. No surgical complication or postoperative severe discomfort was encountered. The surgical success rate was 88.9%.
