“…The common clinical findings in RA of the TMJ are tenderness, pain, clicking, crepitation, stiffness, and limitation in jaw movements. 1,2 In patients with progressive disease, the joint space becomes obliterated due to loss of condylar height and retrognathia, and an anterior open bite deformity occurs due to destruction, erosion, sclerosis, and flattening of the articular surface of the condyle and eminence. 3,4 These patients occasionally require a surgical approach, such as TMJ replacement therapy or costochondral grafting of the TMJ to solve the anterior open bite deformity.…”