1. Luther F. TMD and occlusion part I. Damned if we do? Occlusion: the interface between dentistry and orthodontics. Br Dent J in press.
2. Ramfjord S P. Bruxism, a clinical and electromyographic study. J Am Dent Assoc 1961; 62: 21–44.
3. Lund J P. Pain and movement. In Lund J P, Lavigne G J, Dubner R, Sessle B J (eds) Orofacial pain. From basic science to clinical management. The transfer of knowledge in pain research to education. pp 151–163. Chicago: Quintessence Publishing Co, Inc, 2001.
4. Laskin D M. Etiology of the pain-dysfunction syndrome. J Am Dent Assoc 1969; 79: 141–153.
5. Lund J P. Pain and the control of muscles. In Fricton J R, Dubner R (eds) Orofacial pain and temporomandibular disorders. pp 103–115. New York: Raven Press Ltd, 1995.