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  • Title: An in vitro investigation into the wear effects of unglazed, glazed, and polished porcelain on human enamel.
    Author: Jagger DC, Harrison A.
    Journal: J Prosthet Dent; 1994 Sep; 72(3):320-3. PubMed ID: 7965907.
    Abstract:
    Abrasive wear tests were performed on unglazed, glazed, and polished porcelain stud specimens using human enamel as the opposing plate specimens. The wear tests were carried out on a wear machine that was specifically designed to simulate the masticatory cycle. The amount of enamel wear produced by both glazed and unglazed porcelain was similar; however, that produced by polished porcelain was substantially less. Investigation of the glazed porcelain surface showed that the glaze was removed in less than 2 hours of wear on the machine.
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