Abstract
The aim was to postoperatively evaluate a conservative treatment approach to bilateral condylar resorption after orthognathic surgery. A retrospective study was carried out on 730 consecutive patients undergoing sagittal split osteotomy, 2013 to 2016. The mean follow-up period was 2.29 years. Clinical and radiographic findings of patients with postoperative bilateral condylar resorption were searched. Syndromic patients and patients with juvenile rheumatoid arthritis were excluded from this study. Of the 730 patients, 6 (0.82%) required treatments because of bilateral postoperative condylar resorption but had no surgery at the temporomandibular joint (TMJ). Five patients with TMJ symptoms because of postoperative condylar resorption were managed with conservative treatment. About 2 of the 6 patients were successfully retreated with orthognathic surgery in the upper jaw to close the open bite. The TMJ symptoms can successfully be managed with conservative therapy, whereas skeletal relapse can be retreated with orthognathic surgery in the upper jaw, depending on the amount of overjet. Patient undergoing orthognathic surgery may develop bilateral condylar resorption though the frequency is <1%, most of these patients can be managed conservatively.
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