PATIENTS with temporomandibular-joint disorders fall into two large groups: those with organic joint abnormalities, including ankylosis, neoplasia, trauma, and arthritis; and those with facial pain, noise in the temporomandibular joint and restricted motion without organic joint disease. Patients with organic disease make up only a small percentage of all patients with disorders of this joint1; the remainder are those with functional disorders. Although the majority of patients with symptoms are treated by dentists, other doctors — otolaryngologists, neurologists, neurosurgeons, orthopedic surgeons and primary-care physicians — may be consulted and should have some understanding of the disorders. Therefore, we propose . . .