You are in Medical Library . Definition A facial injury that results in the jaw bone breaking or moving out of position. Causes A broken or dislocated jaw is a common facial injury.
Strong muscles extend from the mandible to the skull.
The most common cause of broken or dislocated jaw is accident or trauma involving a blow to the face. It may also result from assault. Recurrence of a dislocated jaw is common. A broken or dislocated jaw is an acute condition that requires prompt examination by the health care provider because of the risk of breathing difficulty or profuse bleeding . The jaw should be supported during transportation to the emergency room.