TiF4 and NaF varnishes as anti-erosive agents on enamel and dentin erosion progression in vitro

Journal of Applied Oral Science : Revista FOB
Lívia Picchi ComarAna Carolina Magalhães

Abstract

This study assessed the effect of fluoride varnishes on the progression of tooth erosion in vitro. Forty-eight enamel and 60 root dentin samples were previously demineralized (0.1% citric acid, pH 2.5, 30 min), leading to a baseline and erosive wear of 12.9 and 11.4 µm, respectively. The samples were randomly treated (6 h) with a 4% TiF4 varnish (2.45%F-, pH 1.0), a 5.42% NaF varnish (2.45%F-, pH 5.0), a placebo varnish and no varnish (control). The samples were then subjected to erosive pH cycles (4x90 s/day in 0.1% citric acid, intercalated with artificial saliva) for 5 days. The increment of the erosive tooth wear was calculated. In the case of dentin, this final measurement was done with and without the demineralized organic matrix (DOM). Enamel and dentin data were analyzed using ANOVA/Tukey's and Kruskal-Wallis/Dunn tests, respectively (p<0.05). The TiF4 (mean±s.d: 1.5±1.1 µm) and NaF (2.1±1.7 µm) varnishes significantly reduced enamel wear progression compared to the placebo varnish (3.9±1.1 µm) and control (4.5±0.9 µm). The same differences were found for dentin in the presence and absence of the DOM, respectively: TiF4 (average: 0.97/1.87 µm), NaF (1.03/2.13 µm), placebo varnish (3.53/4.47 µm) and control (3.53/4.36 µm...Continue Reading

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Citations

Mar 24, 2016·Journal of Applied Oral Science : Revista FOB·Angelica Reis HannasMarília Afonso Rabelo Buzalaf
Jun 3, 2016·Brazilian Oral Research·Maria Isabel Dantas de MedeirosFabiola Galbiatti de Carvalho
Nov 6, 2015·Journal of Applied Oral Science : Revista FOB·Aline Rogéria Freire de CastilhoAna Carolina Magalhães
May 19, 2017·Caries Research·Beatriz Martines de SouzaAna Carolina Magalhães
May 17, 2018·Journal of Applied Oral Science : Revista FOB·Maria Isabel Dantas de MedeirosFabíola Galbiatti de Carvalho
Aug 2, 2017·Microscopy Research and Technique·Taís Fonseca MantillaPatricia Moreira de Freitas
Jun 20, 2020·Brazilian Dental Journal·Fernanda Michel Tavares CantoLucianne Cople Maia
May 31, 2018·Brazilian Oral Research·Vanara Florêncio PassosSérgio Lima Santiago
Nov 28, 2020·Acta Odontologica Scandinavica·Juliane Rolim de LavôrAndressa Feitosa Bezerra de Oliveira
Aug 10, 2021·International Journal of Dentistry·Zahra KhoubrouypakMarjan Behroozibakhsh
May 16, 2019·Caries Research·Daiana Moreli Soares Dos SantosAna Carolina Magalhães

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