Snapshot A 31-year-old woman presents to her primary care physican for facial pain. Her pain is dull-like and worsens with mastication or fingernail biting. The pain begins at the jaw and radiates to the ear. Physical examination is notable for tenderness to palpation of the temporomandibular joint, along with a "knocking" sound when the jaw is opened. Introduction Overview login to view 1 more bullet Associated conditions login to view 4 more bullets Epidemiology Demographics login to view 2 more bullets Risk factors login to view 6 more bullets ETIOLOGY Pathophysiology login to view 3 more bullets Presentation Symptoms login to view 12 more bullets Physical exam login to view 3 more bullets Imaging Radiography login to view 7 more bullets Differential Trigeminal neuralgia login to view 2 more bullets Treatment Conservative and lifestyle login to view 8 more bullets Medical and pharmacologic login to view 6 more bullets Complications Headache Jaw deformity and dysfunction Prognosis Most patients are responsive to treatment and a small percentage of patients develop chronic temporomandibular joint pain