Publicação: Effect of fluoridated varnish and silver diamine fluoride solution on enamel demineralization: pH-cycling study
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2006-07-06
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Objective: In the present investigation, the anticariogenic effect of fluoride released by two products commonly applied in infants was evaluated. Methods: Bovine sound enamel blocks were randomly allocated to each one of the treatment groups: control (C), varnish (V) and diamine silver fluoride solution (D). The blocks were submitted to pH cycles in an oven at 37°C. Next, surface and cross-sectional microhardness were assessed to calculate the percentage loss of surface microhardness (%SML) and the mineral loss (ΔZ). The fluoride present in enamel was also determined. Results: F/Px10 -3 (ANOVA, p<0.05) in the 1 st layer of enamel before pH-cycling were (C, V and D): 1.61 a; 21.59 b and 3.98 c. The %SMH (Kruskal-Wallis, p<0.05) were: -64.0 a, -45.2 b and -53.1 c. %ΔZ values (ANOVA, p<0.05) were: -18.7 a, -7.7 b and -17.3 a. Conclusion: The data suggested that the fluoride released by varnish showed greater interaction with sound enamel and provided less mineral loss when compared with silver diamine solution.
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Journal of Applied Oral Science, v. 14, n. 2, p. 88-92, 2006.
