Date of Award

Spring 1990

Document Type

Thesis - Restricted

Degree Name

Master of Science (MS)



First Advisor

Ferguson, Donald

Second Advisor

Kittleson, Russell

Third Advisor

Meyer, Ralph


Tooth size prediction analyses were first reported in the dental literature in the 1940's and continue to the present. Studies have shown that linear regression equations derived from Caucasian populations were less accurate when applied to other ethnic groups. Analyses, however, have been developed for other races including blacks, orientals, and inhabitants of India, but not for Native Americans. In this non-radiographic study, permanent teeth from casts of fifty male and fifty female Navajo Indians were measured for their greatest mesiodistal dimensions. The sums of five different groups of teeth were then each correlated with the sum of all the canines and premolars (six teeth) in the maxilla and also the sum of all the canines and premolars (six teeth) in the mandible. Separate correlations were developed for males, females, and both sexes combined resulting in a total of thirty different r values. A correlation coefficient value (r) of not less than 0.8 was established as being clinically significant...



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