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  • Title: Fluroide concentration in enamel treated with 50% phosphoric acid and NaF with subsequent decalcification in "acid-gel".
    Author: Bohrer J, Gedalia I.
    Journal: J Dent Res; 1980 Jun; 59(6):1022-5. PubMed ID: 6929286.
    Abstract:
    Fluoride concentration of enamel surfaces treated with 50% H3PO4, together with high NaF contents or etched with 50% H3PO4 followed by application with a water solution of high NaF content, was examined. In addition, the degree of decalcification and the fluoride content of subsequently incubated enamel samples in acid-gel at 37 degrees C were determined. Generally, incubation highly increased the fluoride contents of the etched and fluoridated (experimental), control (etched only), and untreated (vaseline) enamel samples. An increasing demineralization effect was observed in the samples of the following order: experimental, control, and baseline. It appears does not predispose to an increased caries challenge in vitro.
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