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Effect of a sealant used in conjunction with topical fluoride application on fluoride concentrations in human tooth enamel



Effect of a sealant used in conjunction with topical fluoride application on fluoride concentrations in human tooth enamel



Archives of Oral Biology 21(4): 237-241



A system using acidulated phosphate-fluoride solution (APF) was studied for the topical application of fluoride on acid-conditioned teeth and then coating with a cyanoacrylate varnish. Enamel biopsies for fluoride determination were taken from the 6 anterior teeth in both arches of 23 subjects, aged 19-23 yr. The teeth were acid-conditioned and APF applied. The upper left and lower right segments were varnished while the contralateral segments were left as controls. The teeth were re-biopsied in groups at 1, 2, 4, 12, 24 and 52 wk intervals. At all intervals, fluoride levels after treatment were significantly higher (P < 0.001) (regardless of whether they were coated or not) than those before treatment. There was no significant difference between coated and control teeth. When all the data were pooled, a significantly greater (P < 0.05) fluoride retention was found in the coated teeth.

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Accession: 005215885

Download citation: RISBibTeXText

PMID: 1068658

DOI: 10.1016/0003-9969(76)90041-8


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