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Effect of fluoride on in vitro root surface lesions

Effect of fluoride on in vitro root surface lesions

Caries Research 18(1): 33-40

Root surfaces of [human] teeth extracted because of periodontal disease were evaluated microradiographically for their resistance to acid in vitro. The roots were compared in 2 categories: surfaces exposed to the oral environment in periodontal pockets vs. those unexposed, surfaces exposed in periodontal pockets and scaled vs. surfaces exposed in periodontal pockets and root-planed. In addition, 3 commonly used fluoride topical treatments were evaluated for their effectiveness in increasing the resistance of root surfaces to acid demineralization. The acid challenge was 0.01 M lactic acid buffer, pH 4.0, in 1% CM-cellulose, containing 3.0 mM Ca and 1.8 mM Pi, at C. Root surfaces exposed to the oral environment were more resistant than unexposed surfaces. Scaled roots were more resistant than those which were root-planed. All fluoride treatments increased the resistance of root surfaces to acid in vitro, and contributed to the formation of a thick layer of high mineral density over the body of the lesion.

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Accession: 005239546

Download citation: RISBibTeXText

PMID: 6360374

DOI: 10.1159/000260744

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