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  • Title: Remineralization potential of a new toothpaste formulation: an in vitro study.
    Author: Torrado A, Valiente M, Zhang W, Li Y, Muñoz CA.
    Journal: J Contemp Dent Pract; 2004 Feb 15; 5(1):18-30. PubMed ID: 14973557.
    Abstract:
    The aim of the present study was to determine the ability of a dentifrice containing a mixture of ion-exchange resins (named NMTD), which supplies calcium, fluoride, phosphate, and zinc ions, to promote remineralization and/or inhibit demineralization of dental human enamel in a pH cycling model in vitro. A fluoride toothpaste was used as the control. The enamel specimens were tested for microhardness before and after 10 days and 16 days of the demineralizing and remineralizing treatments. The results of this study showed both dentifrices were effective in limiting in vitro enamel demineralization although the effects were not significantly different from each other. Inclusion of calcium and phosphate ion-exchange resins in the dentifrice containing a fluoride ion-exchange resin maintained a similar net outcome of the conventional dentifrice in the demineralization/remineralization process under the experimental conditions employed.
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