Publication: Enamel resistance to demineralization after bracket debonding using fluoride varnish
Authors
Vicente, Ascensión ; Ortiz Ruiz, Antonio José ; García López, Miriam ; Martínez Beneyto, Yolanda ; Bravo González, Luis Alberto
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Publisher
Nature Research
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DOI
https://doi.org/10.1038/s41598-017-15600-5
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info:eu-repo/semantics/article
Description
© 2017, The Author(s). 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 Scientific reports. To access the final edited and published work see https://doi.org/10.1038/s41598-017-15600-5
Abstract
The aim of this study was to evaluate the elemental content and morphology of enamel subjected to demineralization cycles after bracket debonding, adhesive remnant removal, and application of a fluoride varnish. 125 bovine teeth were divided into five groups (n = 25): 1) Intact enamel; 2) Intact enamel + demineralization cycles (DC); 3) Enamel after adhesive removal; 4)Enamel after adhesive removal + DC; 5) Enamel after adhesive removal + Profluorid + DC. The weight percentages of calcium (Ca), phosphorous (P) and fluoride (F) were calculated using energy dispersive X-ray spectroscopy (EDX). Samples were observed under scanning electron microscopy (SEM). Data were analyzed using Kruskal-Wallis and Mann-Whitney test. The weight percentages of Ca and P in Group 1 were significantly higher than Groups 2, 4, and 5. The weight percentages of Ca and P in Group 2 were significantly higher than Groups 4 and 5. Group 3 presented significantly higher percentages of Ca and P than Group 4. Group 5 showed a significantly higher percentage of Ca than Group 4. The presence of F was detected in Group 5. SEM images showed more signs of demineralization in Group 4 than Group 5. Fluoride varnish application may protect enamel from demineralization after bracket debonding.
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Citation
Scientific reports, 2017, Vol. 7 (1): 15183
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