Enamel loss and superficial aspect during bonding and debonding of metallic brackets

Detalhes bibliográficos
Autor(a) principal: Ferreira, Emanuelle de Fátima
Data de Publicação: 2016
Outros Autores: Vilani, Giselle Naback Lemes, Jansen, Wellington Corrêa, Brito, Hélio Henrique de Araújo, Ferreira, Ricardo Alberto Neto, Manzi, Flávio Ricardo, Oliveira, Dauro Douglas
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Bioscience journal (Online)
Texto Completo: https://seer.ufu.br/index.php/biosciencejournal/article/view/30162
Resumo: To evaluate the cumulative enamel loss during bonding and debonding procedures of orthodontic metallic brackets and to analyze the enamel superficial roughness. Forty-seven maxillary first premolars were obtained for quantitative and qualitative analysis. For quantitative analysis, forty premolars were weighed at each stage of treatment and the equivalent thickness of enamel loss was measured. The amount of tooth mass loss in each stage was divided by the density value to obtain the corresponding enamel volume lost. Subsequently, these volumes were divided by a circular area with a diameter of 7 mm, thus obtaining the equivalent thickness of enamel loss. They were assessed under the following conditions: as sound enamel, after acid conditioning, following the removal of residual resin composite, after final polishing with high or low-speed, and with or without water refrigeration. A rugosimeter was used to obtain a graphic registration of the enamel superficial roughness before and after acid conditioning. The data were analyzed with the Quantikov software and the Shapiro Wilk's and Wilcoxon statistical tests were used to evaluate enamel superficial roughness. The one-way ANOVA followed by Bonferroni Post-Hoc tests were used to analyze the amount of enamel loss. For qualitative analysis, scanning electron microscopy (SEM) of the enamel surfaces was performed on seven premolars, one in each step. Acid conditioning significantly increased enamel surface roughness (p<0.01). Based on the dental mass weighed after each stage of evaluation, enamel loss was statistically significant in all stages (p<0.01). However, when the 4 different final polishing methods were compared, no statistically significant differences were registered regarding loss of mineralized structure (p=0.72). The SEM analysis revealed that the tungsten-carbide bur with water refrigeration and low-speed rubber points caused less damage to the enamel. The greatest amount of enamel loss was due to acid conditioning. The losses relative to abrasion with composite removal or after the 4 polishing protocols were similar. Finally, none of the enamel surfaces was restored to their original aspects after bonding and debonding metallic brackets. 
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spelling Enamel loss and superficial aspect during bonding and debonding of metallic brackets Enamel loss and superficial aspect during bonding and debonding of metallic brackets Esmalte dentário. Bráquetes. Polimento Dentário.Health SciencesTo evaluate the cumulative enamel loss during bonding and debonding procedures of orthodontic metallic brackets and to analyze the enamel superficial roughness. Forty-seven maxillary first premolars were obtained for quantitative and qualitative analysis. For quantitative analysis, forty premolars were weighed at each stage of treatment and the equivalent thickness of enamel loss was measured. The amount of tooth mass loss in each stage was divided by the density value to obtain the corresponding enamel volume lost. Subsequently, these volumes were divided by a circular area with a diameter of 7 mm, thus obtaining the equivalent thickness of enamel loss. They were assessed under the following conditions: as sound enamel, after acid conditioning, following the removal of residual resin composite, after final polishing with high or low-speed, and with or without water refrigeration. A rugosimeter was used to obtain a graphic registration of the enamel superficial roughness before and after acid conditioning. The data were analyzed with the Quantikov software and the Shapiro Wilk's and Wilcoxon statistical tests were used to evaluate enamel superficial roughness. The one-way ANOVA followed by Bonferroni Post-Hoc tests were used to analyze the amount of enamel loss. For qualitative analysis, scanning electron microscopy (SEM) of the enamel surfaces was performed on seven premolars, one in each step. Acid conditioning significantly increased enamel surface roughness (p<0.01). Based on the dental mass weighed after each stage of evaluation, enamel loss was statistically significant in all stages (p<0.01). However, when the 4 different final polishing methods were compared, no statistically significant differences were registered regarding loss of mineralized structure (p=0.72). The SEM analysis revealed that the tungsten-carbide bur with water refrigeration and low-speed rubber points caused less damage to the enamel. The greatest amount of enamel loss was due to acid conditioning. The losses relative to abrasion with composite removal or after the 4 polishing protocols were similar. Finally, none of the enamel surfaces was restored to their original aspects after bonding and debonding metallic brackets. To evaluate the cumulative enamel loss during bonding and debonding procedures of orthodontic metallic brackets and to analyze the enamel superficial roughness. Forty-seven maxillary first premolars were obtained for quantitative and qualitative analysis. For quantitative analysis, forty premolars were weighed at each stage of treatment and the equivalent thickness of enamel loss was measured. The amount of tooth mass loss in each stage was divided by the density value to obtain the corresponding enamel volume lost. Subsequently, these volumes were divided by a circular area with a diameter of 7 mm, thus obtaining the equivalent thickness of enamel loss. They were assessed under the following conditions: as sound enamel, after acid conditioning, following the removal of residual resin composite, after final polishing with high or low-speed, and with or without water refrigeration. A rugosimeter was used to obtain a graphic registration of the enamel superficial roughness before and after acid conditioning. The data were analyzed with the Quantikov software and the Shapiro Wilk's and Wilcoxon statistical tests were used to evaluate enamel superficial roughness. The one-way ANOVA followed by Bonferroni Post-Hoc tests were used to analyze the amount of enamel loss. For qualitative analysis, scanning electron microscopy (SEM) of the enamel surfaces was performed on seven premolars, one in each step. Acid conditioning significantly increased enamel surface roughness (p<0.01). Based on the dental mass weighed after each stage of evaluation, enamel loss was statistically significant in all stages (p<0.01). However, when the 4 different final polishing methods were compared, no statistically significant differences were registered regarding loss of mineralized structure (p=0.72). The SEM analysis revealed that the tungsten-carbide bur with water refrigeration and low-speed rubber points caused less damage to the enamel. The greatest amount of enamel loss was due to acid conditioning. The losses relative to abrasion with composite removal or after the 4 polishing protocols were similar. Finally, none of the enamel surfaces was restored to their original aspects after bonding and debonding metallic brackets. EDUFU2016-04-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.ufu.br/index.php/biosciencejournal/article/view/3016210.14393/BJ-v32n2a2016-30162Bioscience Journal ; Vol. 32 No. 2 (2016): Mar./Apr.; 550-559Bioscience Journal ; v. 32 n. 2 (2016): Mar./Apr.; 550-5591981-3163reponame:Bioscience journal (Online)instname:Universidade Federal de Uberlândia (UFU)instacron:UFUenghttps://seer.ufu.br/index.php/biosciencejournal/article/view/30162/18153Brazil; ContemporaryCopyright (c) 2016 Emanuelle de Fátima Ferreira, Giselle Naback Lemes Vilani, Wellington Corrêa Jansen, Hélio Henrique de Araújo Brito, Ricardo Alberto Neto Ferreira, Flávio Ricardo Manzi, Dauro Douglas Oliveirahttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessFerreira, Emanuelle de FátimaVilani, Giselle Naback LemesJansen, Wellington CorrêaBrito, Hélio Henrique de AraújoFerreira, Ricardo Alberto NetoManzi, Flávio RicardoOliveira, Dauro Douglas2022-05-19T01:19:35Zoai:ojs.www.seer.ufu.br:article/30162Revistahttps://seer.ufu.br/index.php/biosciencejournalPUBhttps://seer.ufu.br/index.php/biosciencejournal/oaibiosciencej@ufu.br||1981-31631516-3725opendoar:2022-05-19T01:19:35Bioscience journal (Online) - Universidade Federal de Uberlândia (UFU)false
dc.title.none.fl_str_mv Enamel loss and superficial aspect during bonding and debonding of metallic brackets
Enamel loss and superficial aspect during bonding and debonding of metallic brackets
title Enamel loss and superficial aspect during bonding and debonding of metallic brackets
spellingShingle Enamel loss and superficial aspect during bonding and debonding of metallic brackets
Ferreira, Emanuelle de Fátima
Esmalte dentário. Bráquetes. Polimento Dentário.
Health Sciences
title_short Enamel loss and superficial aspect during bonding and debonding of metallic brackets
title_full Enamel loss and superficial aspect during bonding and debonding of metallic brackets
title_fullStr Enamel loss and superficial aspect during bonding and debonding of metallic brackets
title_full_unstemmed Enamel loss and superficial aspect during bonding and debonding of metallic brackets
title_sort Enamel loss and superficial aspect during bonding and debonding of metallic brackets
author Ferreira, Emanuelle de Fátima
author_facet Ferreira, Emanuelle de Fátima
Vilani, Giselle Naback Lemes
Jansen, Wellington Corrêa
Brito, Hélio Henrique de Araújo
Ferreira, Ricardo Alberto Neto
Manzi, Flávio Ricardo
Oliveira, Dauro Douglas
author_role author
author2 Vilani, Giselle Naback Lemes
Jansen, Wellington Corrêa
Brito, Hélio Henrique de Araújo
Ferreira, Ricardo Alberto Neto
Manzi, Flávio Ricardo
Oliveira, Dauro Douglas
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Ferreira, Emanuelle de Fátima
Vilani, Giselle Naback Lemes
Jansen, Wellington Corrêa
Brito, Hélio Henrique de Araújo
Ferreira, Ricardo Alberto Neto
Manzi, Flávio Ricardo
Oliveira, Dauro Douglas
dc.subject.por.fl_str_mv Esmalte dentário. Bráquetes. Polimento Dentário.
Health Sciences
topic Esmalte dentário. Bráquetes. Polimento Dentário.
Health Sciences
description To evaluate the cumulative enamel loss during bonding and debonding procedures of orthodontic metallic brackets and to analyze the enamel superficial roughness. Forty-seven maxillary first premolars were obtained for quantitative and qualitative analysis. For quantitative analysis, forty premolars were weighed at each stage of treatment and the equivalent thickness of enamel loss was measured. The amount of tooth mass loss in each stage was divided by the density value to obtain the corresponding enamel volume lost. Subsequently, these volumes were divided by a circular area with a diameter of 7 mm, thus obtaining the equivalent thickness of enamel loss. They were assessed under the following conditions: as sound enamel, after acid conditioning, following the removal of residual resin composite, after final polishing with high or low-speed, and with or without water refrigeration. A rugosimeter was used to obtain a graphic registration of the enamel superficial roughness before and after acid conditioning. The data were analyzed with the Quantikov software and the Shapiro Wilk's and Wilcoxon statistical tests were used to evaluate enamel superficial roughness. The one-way ANOVA followed by Bonferroni Post-Hoc tests were used to analyze the amount of enamel loss. For qualitative analysis, scanning electron microscopy (SEM) of the enamel surfaces was performed on seven premolars, one in each step. Acid conditioning significantly increased enamel surface roughness (p<0.01). Based on the dental mass weighed after each stage of evaluation, enamel loss was statistically significant in all stages (p<0.01). However, when the 4 different final polishing methods were compared, no statistically significant differences were registered regarding loss of mineralized structure (p=0.72). The SEM analysis revealed that the tungsten-carbide bur with water refrigeration and low-speed rubber points caused less damage to the enamel. The greatest amount of enamel loss was due to acid conditioning. The losses relative to abrasion with composite removal or after the 4 polishing protocols were similar. Finally, none of the enamel surfaces was restored to their original aspects after bonding and debonding metallic brackets. 
publishDate 2016
dc.date.none.fl_str_mv 2016-04-04
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://seer.ufu.br/index.php/biosciencejournal/article/view/30162
10.14393/BJ-v32n2a2016-30162
url https://seer.ufu.br/index.php/biosciencejournal/article/view/30162
identifier_str_mv 10.14393/BJ-v32n2a2016-30162
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://seer.ufu.br/index.php/biosciencejournal/article/view/30162/18153
dc.rights.driver.fl_str_mv https://creativecommons.org/licenses/by/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.coverage.none.fl_str_mv Brazil; Contemporary
dc.publisher.none.fl_str_mv EDUFU
publisher.none.fl_str_mv EDUFU
dc.source.none.fl_str_mv Bioscience Journal ; Vol. 32 No. 2 (2016): Mar./Apr.; 550-559
Bioscience Journal ; v. 32 n. 2 (2016): Mar./Apr.; 550-559
1981-3163
reponame:Bioscience journal (Online)
instname:Universidade Federal de Uberlândia (UFU)
instacron:UFU
instname_str Universidade Federal de Uberlândia (UFU)
instacron_str UFU
institution UFU
reponame_str Bioscience journal (Online)
collection Bioscience journal (Online)
repository.name.fl_str_mv Bioscience journal (Online) - Universidade Federal de Uberlândia (UFU)
repository.mail.fl_str_mv biosciencej@ufu.br||
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