Application of orthopedic principles in evaluation of the temporomandibular joint.

Temporomandibular joint dysfunction is often the cause of a variety of symptoms throughout the head and neck. Because such dysfunction plays an integral part in head pain and earache, differential diagnosis should include an evaluation of the temporomandibular joint. Dentists are the primary professionals involved in temporomandibular joint evaluation and treatment, but they are mainly concerned with nonmovable radio-opaque parts. Physical therapists, then, must learn more about this joint so they can assist dentists in restoring function to it. Principles of joint evaluation are presented relative to the temporomandibular joint so physical therapists can apply their expertise in joint and soft tissue management to assist dentists in restoring function to the temporomandibular joint.