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Taxonomic implications of primate dental tissues.

Histological studies of dental tissues will provide new and important insights into mammalian evolution. From studies of dental histology, hominoid evolution has become much clearer. Data as to the thickness of enamel and enamel prism patterns clearly provide quantitative support concerning theories of hominoid/hominid differentiation. The importance of comparative dental histology has only recently been realized and when extended to other mammalian orders, including both living and fossil forms, a more complete and clearer understanding of mammalian evolution will emerge. Caution must be emphasized, however, for these features are extremely complex structures and without a thorough knowledge of comparative dental histology and the applications of the SEM results may be misleading or incorrect.