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Clinical presentation and final diagnosis of patients referred to a temporomandibular joint clinic.

The clinical presentation and final diagnosis of 182 consecutive patients referred to the Temporomandibular Joint Clinic at the University of Otago School of Dentistry over a 12-month period were reviewed. The definitive diagnosis utilised a classification based upon accepted pathological concepts. Thirty-six percent of patients had internal derangement of the TMJ, 33 percent had joint overload, 12 percent had an acute muscle disorder, 12 percent had degenerative joint disease, and 7 percent had other conditions including ENT disorders and pulpitis. Only six percent of patients underwent treatment involving occlusal modification or TMJ surgery. The remainder received a variety of conservative treatments confirming the widely held view that the majority of patients with a TMJ disorder can be managed with a variety of reversible therapeutic methods.