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Dental Enamel


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Publication Details
Author list: Imran Farooq, Saqib Ali, and Paul Anderson
Publication year: 2021
Start page: 15
End page: 34
Number of pages: 20
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Dental enamel forms the protective covering of the crown of a tooth. Enamel is thickest over the cusps and thinnest at the cervical margin of a tooth. The enamel‐forming cells are called ameloblasts, but these cells are lost due to apoptosis and regression, once they complete their function. Therefore, enamel once formed, does not have the ability to use these cells for regeneration or repair. The surface of enamel is in contact with the external environment. Enamel striae or striae of retzius are incremental lines of enamel formed during the process of amelogenesis. Enamel lamellae are linear mineralization defects present in the enamel of both deciduous and permanent teeth. Enamel tufts are hypomineralized structures that project from the enamel dentin junction (EDJ) and usually continue in the enamel tissue for some distance. Gnarled enamel is seen clearly on the ground sections under transmitted light near the EDJ and has an optical appearance.


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Last updated on 2021-25-02 at 13:12