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Crown Morphology, Enamel Distribution, and Enamel Structure in Mouse Molars by S. Petter Lyngstadaas; Christina B. Møinichen; Steinar Risnes is a Medicine article available to read on EtoBox.

What is Crown Morphology, Enamel Distribution, and Enamel Structure in Mouse Molars about?

Background: Biomolecular research and genetic manipulations have stressed the importance of thorough knowledge of normal organ morphology. Mouse molar teeth are convenient models for studying basic interactions in organ development and morphogenesis. The aim of the present study was to provide basic information on their morphology. Methods: Intact and sectioned/ground molars of mice of various ages were observed with SEM. Results: Enamel-free areas (EFA) were present on cusp tips at time of eruption. The dominating structural configuration in enamel was prism decussation in inner enamel and parallel prisms in outer enamel. Prism decussation tended to be absent at cusp ridges and in the bottom of grooves. In the former location, the distinction between prisms and interprism was often obscured in the middle enamel zone due to decreased difference in orientation of their crystals. A thin layer of enamel, often aprismatic, covered the distal aspect of cusps in maxillary molars and the mesial aspect of cusps in mandibular molars. The enamel abutting on EFA was often aprismatic. Aprismatic enamel exhibited incremental lines with a periodicity of about 1 m and was often traversed by crack

Who reads Crown Morphology, Enamel Distribution, and Enamel Structure in Mouse Molars?

Author

S. Petter Lyngstadaas; Christina B. Møinichen; Steinar Risnes

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0003-276X)

Published

1998

Language

EN

Field

Medicine (Health Sciences)