Publication:
Efficacy of fluoride varnishes for preventing enamel demineralization after interproximal enamel reduction. Qualitative and quantitative evaluation

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Date
2017-04-21
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Authors
Vicente, Ascensión ; Ortiz Ruiz, Antonio José ; González Paz, Belén Manuela ; García López, José ; Bravo González, Luis Alberto
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Publisher
Public Library of Science
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Dermatología, Estomatología, Radiología y Medicina Física
DOI
https://doi.org/10.1371/journal.pone.0176389
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info:eu-repo/semantics/article
Description
© 2017 Vicente et al. This manuscript version is made available under the CC-BY 4.0 license http://creativecommons.org/licenses/by/4.0/ This document is the Published version of a Published Work that appeared in final form in PLoS ONE. To access the final edited and published work see https://doi.org/10.1371/journal.pone.0176389
Abstract
Objectives To evaluate quantitatively and qualitatively the changes produced to enamel after interproximal reduction and subjected to demineralization cycles, after applying a fluoride varnish (Profluorid) and a fluoride varnish containing tricalcium phosphate modified by fumaric acid (Clinpro White). Materials and methods 138 interproximal dental surfaces were divided into six groups: 1) Intact enamel; 2) Intact enamel + demineralization cycles (DC); 3) Interproximal Reduction (IR); 4) IR + DC; 5) IR + Profluorid + DC; 6) IR + Clinpro White + DC. IR was performed with a 0.5 mm cylindrical diamond bur. The weight percentage of calcium (Ca), phosphorous (P) and fluoride (F) were quantified by energy-dispersive X-ray spectrometry (EDX). Samples were examined under scanning electron microscopy (SEM). Results The weight percentage of Ca was significantly higher (p<0.05) in Groups 1, 2 and 5 than Groups 4 and 6. No significant differences were detected in the weight percentage of Ca between Group 3 and the other groups (p>0.05). The weight percentage of P was similar among all six groups (p>0.05). F was detected on 65% of Group 6 surfaces. SEM images of Groups 4 and 6 showed signs of demineralization, while Group 5 did not. Conclusions Profluorid application acts as a barrier against the demineralization of interproximally reduced enamel.
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Citation
PLoS ONE, 2017, Vol. 12( 4): e 0176389
URI
http://hdl.handle.net/10201/142640
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