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Revista odontológica mexicana
versión impresa ISSN 1870-199X
Resumen
PRADO ROSAS, Sandra Georgina; ARAIZA TELLEZ, Miguel Ángel y VALENZUELA ESPINOZA, Emilia. In vitro efficiency of fluoride-containing compounds on remineralization of carious enamel lesions under cyclic pH conditions. Rev. Odont. Mex [online]. 2014, vol.18, n.2, pp.96-104. ISSN 1870-199X.
Fluoride-containing products are mainly used due to their anti-cariogenic effect upon dental enamel. Objective: The aim of the present study was to determine the efficiency of three fluorinated compounds when used on demineralized enamel. Method: A de-mineralized surface was obtained by means of exposing the enamel of 120 permanent third molars to a demineralizing solution for 96 hours. Molars were randomly divided into four groups in order to receive topical treatment with the following fluorinated compounds: 1) silver ammonium fluoride, 2) difluorsilane, 3) acidulated phosphate fluoride and 4) a control group. All samples were immersed in a cyclic pH system (pH 4.4 to 7.0) and retrieved after 5, 10 and 15 days in order to be observed. Samples were examined under polarized light and Tholuet solution in a photomicroscope (Zeiss, Germany) in order to determine remineralization according to exhibited birefringence. Results: After 5 and 10 days, the group treated with silver ammonium fluoride showed significant difference with respect to other groups. Nevertheless, acidulated phosphate fluoride 10-day results remained equally unaltered at 15 days. Conclusions: The group treated with silver ammonium fluoride presented more significant changes than groups treated with silver ammonium fluoride, difluorsilane as well as the control group.
Palabras llave : Fluoride; enamel; remineralization; demineralization; caries; cyclic pH.