Rheumatoid Arthritis

Arthritis The Jaw

RA can affect any diarthrodial joint. The temporomandibular and cricoarytenoid joints and ossicles of the ear may be among those affected. The temporomandibular joint (TMJ) is symptomatic in over half of patients with RA, and radiographic evidence of involvement may be even more common. The TMJ may be tender to palpation and crepitus may be present. Patients may experience an acute onset of pain and be unable to fully close the mouth. Over time, an overbite may develop if the mandibular condyle...