In situ study of the anticariogenic potential of fluoride varnish combined with CO2 laser on enamel

Archives of Oral Biology
A E Souza-GabrielSilmara Milori Corona

Abstract

This in situ study evaluated the effect of fluoride varnish combined with CO2 laser in controlling enamel demineralization caused by cariogenic challenges. In a crossover study conducted in 2 phases of 14 days each, 14 volunteers (n = 14) wore palatal appliances with bovine enamel slabs treated with fluoride varnish + CO2 laser (FV + CO2), fluoride varnish (FV), nonfluoride placebo varnish (PV) and nonfluoride placebo varnish + CO2 laser (PV + CO2). Drops of sucrose solution were dripped onto enamel slabs allowing the accumulation of biofilm. At the first phase, half of the volunteers received 4 enamel slabs treated with FV while the remainders received slabs exposed to the PV with and without CO2 laser. In the second phase, the vonlunteers were reversed treatments. The slabs were evaluated for cross-sectional microhardness (CSMH) and the concentration of loosely bound fluoride (CaF2) and firmly bound fluoride (FAp). The concentration of fluoride in biofilm were also determined. Two-way ANOVA showed that the CSMH values were higher in laser-irradiated enamel, regardless of the fluoride varnish. Friedman test showed that FV group presented significantly larger amount of fluoride in biofilm (P < 0.05). In the enamel, the largest ...Continue Reading

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Citations

Oct 17, 2019·Photobiomodulation, Photomedicine, and Laser Surgery·Kenneth LukChun Hung Chu
Sep 10, 2017·International Endodontic Journal·R D Silva-NetoA E Souza-Gabriel
Nov 22, 2019·Journal of Lasers in Medical Sciences·Ana Bárbara de Araújo LoiolaSilmara Aparecida Milori Corona
Feb 27, 2020·Journal of Lasers in Medical Sciences·Soghra Yassaei, Mohammad Nima Motallaei
Aug 11, 2019·Lasers in Medical Science·Mohammed Abbood Al-MalikyJörg Meister

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