Lateral displacement of the intact mandibular condyle. Review of literature and report of case with associated facial nerve palsy.

A rare injury is described, in which symphyseal fracture of the mandible was associated with lateral displacement of the intact mandibular condyle into the temporal fossa and damage to the ipsilateral facial nerve with unilateral facial paralysis. Management of the injury was associated with an episode of acute laryngeal obstruction, necessitating emergency tracheostomy.