Okajimas Folia Anatomica Japonica
Online ISSN : 1881-1736
Print ISSN : 0030-154X
ISSN-L : 0030-154X
Comparison between Deciduous and Permanent Incisor Teeth in Morphology of Bovine Enamel
Iwao SATOMasataka SUNOHARAAkiko MIKAMIShunji YOSHIDAToru SATO
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1999 Volume 76 Issue 2-3 Pages 131-135

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Abstract

Functional incisor teeth (deciduous and permanent teeth) from Bovidae (14 species) were prepared for scanning electron microscopic observation. Ultrastructural patterns of the enamel layer of deciduous and permanent incisor teeth varied (ex. prisms, arrangement pattern of matrices, and in thickness of enamel layer) in each species. The ultrastructures of prisms in longitudinal sections were classified into three types; A, radial, B, tangential, and C, mix of A and B arrangement enamel; modified Koenigswald's method (1982) in examined species. Type A was found in a large part of permanent and a small part of deciduous incisor teeth, while types B and C were mainly found in the deciduous teeth.
These morphological features show the remarkable correlation between permanent and deciduous teeth.

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