1. Hunter J. The Natural History of the Human Teeth. 2nd ed. London, 1728.
2. Abrahamsen T. Accurate diagnostic casts from the sophisticated alginate impression. Through the eyes of the master (DVD). American Academy of Restorative Dentistry 1999.
3. Shafer W, Hine M, Levy B. A Textbook of Oral Pathology. 3rd ed. 1974.
4. The American Heritage Dictionary;World Dental Federation,1991
5. Nocturnal bruxism and temporomandibular disorders;Rugh;Adv Neurology,1988