| incremental line |
One of the lines seen in a microscopic section of tooth enamel. They resemble growth lines in a tree.
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| incremental line of Retzius |
Periodic dark lines seen in the enamel of a tooth that represent occasional metabolic disturbances of mineralization.
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| incremental line of von Ebner |
Very light lines in the dentin of a tooth that represent the boundary between the layers of dentin produced daily.
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| incremental l.’s |
lines showing the successive layers deposited in a tissue. In the enamel, they are brown striations visible under transmitted light and colorless in reflected light. They may be observed under the microscope in longitudinal sections as oblique lines running inward from the surface and toward the root and in cross sections as rings similar to those in a tree trunk. Dry dentin often shows a series of somewhat parallel lines caused by imperfectly calcified dentin arranged in layers. Called also accretion l's, calcification l's, Retzius' l's, and Retzius' parallel striae. See also l's of Ebner, imbrication l's of Pickerill, and neonatal l.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| incremental l.’s of cementum |
very fine dark lines present in longitudinal sections of a tooth, which follow the contour of the root and border with wider light bands, revealing the cyclic activity of cementogenesis. Called also imbrication l's of cementum.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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