Influence of the Upper Joint Surface and Synovial Lining in the Outcome of Chronic Closed Lock of the Temporomandibular Joint Treated With Arthroscopy

A significant decrease in pain with a parallel increase in MIO was achieved from month 1 postoperatively in patients with any grade of synovitis and/or chondromalacia. No statistical difference in pain or function was observed between patients with scarce involvement of the joint surface and the synovial lining and patients with severe involvement after arthroscopy.