Snap Shot A 31-year-old woman comes to your office with complaints of ear pain that is aggravated with chewing. On exam, you note a "knocking" sound when the jaw is opened. Introduction A condition characterized by functional jaw pain without a clear etiology Risk factors include nocturnal bruxism (teeth grinding) trauma intubation psychiatric conditions Presentation Symptoms jaw pain worsening with jaw use (e.g. chewing) pain referred to ear headache neck pain joint clicking or locking Physical exam reduced inraincisor opening joint clicking or locking Evaluation Imaging (e.g. CT) may be used but not commonly indicated Treatment Conservative nighttime bite guard dental spliting to reduce bruxism jaw stretching avoidance of gum warm compresses Pharmacologic NSAIDs muscle relaxants