[Temporomandibular injury: a cause of limited mouth opening]. / Ferimento na região temporomandibular: uma causa de limitação da abertura de boca.

A case of limitation of jaw opening caused by an intentional knife wound to the temporomandibular region is presented. The chief complaint was pain and restricted jaw movement. Treatment consisted of the administration of antiinflammatory agent. Recovery was complete and without complications, normal jaw opening being obtained. The possibility that the inflammatory process stimulates muscular spasm is emphasized.