Trismus: its causes, effects and treatment.

This article describes trismus and some of its causes. Trismus is most frequently observed in head and neck cancer patients and postsurgical patients, but can also be found in those suffering from trauma, including burns and gunshot wounds. Effects include impaired nutrition, oral hygiene and lifestyle. The pathophysiology of trismus is reviewed, a method of assessment is presented, a clinical study examining mobilization regimens is summarized, and suggestions for treatment are described.