Role of Ultrasonography in Assessment of Tempromanbular Joint Disorders

Inclusion Criteria: * Male and female diagnosed as TMJ disorders (clinically through history of the presentation and physical examination (site, onset, character of pain, radiation, duration and associated symptoms. This pain may refer to the scalp or neck, and is often exacerbated by mastication, yawning or talking for extended periods. Difficulty opening the mouth, clicking, popping or crepitus within the TMJ itself and brief locking of the mandible on jaw opening and closure and Headache, particularly tension type headache). Exclusion Criteria: * Uncooperative patients, systemic disease with TMJ involvement as Rheumatoid, psoriatic, and juvenile idiopathic arthritis. Contraindications for MRI : claustrophobia , metallic implants , pacemaker and prosthetic heart valves .Contraindication for intra articular injection : the patients with bleeding disorders , pregnancy , bony pathology of TMJ , allergy to local anesthetic and those on narcotics or anti depressant .