A facial injury that results in the jaw bone breaking or moving out of position. Considerations A broken or dislocated jaw usually heals completely after treatment. Recurrence of a dislocated jaw is common. 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.