The mineral content of human enamel studied by polarizing microscopy, microradiography and scanning electron microscopy
article
The total observed birefringence and mineral content of the outer 300 ??m of longitudinal sections of sound buccal premolar enamel were measured and three-dimensional contour maps were made. Using similar contour maps of calcium, carbonate and magnesium content from the literature, it seemed possible to explain the differences between the contour maps of total observed birefringence and mineral content. Scanning electron micrographs provided information about the orientation of the prisms. The cervical part of the enamel had a high intrinsic birefringence which may explain the difference between mineral content and total observed birefringence. This high intrinsic birefringence may be caused by a high carbonate content in cervical enamel. ?? 1983.
Topics
TNO Identifier
229460
ISSN
00039969
Source
Archives of Oral Biology, 28(9), pp. 797-803.
Pages
797-803
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