Ankylosis of the temporomandibular joint from psoriatic arthritis.

A review of 27 cases of temporomandibular joint arthritis in patients with psoriasis reveals the main pathologic features to be condylar erosions, condylar osteoporosis, calcification of the articular disc, and subchondral cyst formation. We present another pathological process, temporomandibular joint bony ankylosis in a patient with psoriasis. Surgical management consisted of a high condylectomy, with a silastic implant to maintain the vertical dimension of the ramus. A very good functional result was obtained and 21/2 years later her incisive distance is 44 mm.