1. Developmental abnormalities of the teeth and jaws;Schulze,1970
2. Congenital craniofacial abnormalities;Meller,1978
3. Compensatory mechanisms in facial height adjustment to functional tooth attrition;Murphy;Aust Dent J,1959
4. The progressive reduction of tooth cusps as it occurs in natural attrition;Murphy;Dental Practitioner and Dental Record,1968
5. Oral anatomy;Sicher,1960