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Use of auxiliary devices during retreatment of direct resin composite veneers

The removal of direct composite veneers, when the retreatment is necessary, represents a challenge to the clinician, since the healthy dental structure must be preserved. Thus, the aim of this study was to compare the accuracy provided by different auxiliary devices during retreatment of direct comp...

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Autores principales: Guarnieri, Fabrício Daniel Finotti, Briso, André Luiz Fraga, Ramos, Fernanda de Souza e Silva, Esteves, Lara Maria Bueno, Omoto, Érika Mayumi, Sundfeld, Renato Herman, Fagundes, Ticiane Cestari
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8208554/
https://www.ncbi.nlm.nih.gov/pubmed/34133430
http://dx.doi.org/10.1371/journal.pone.0252171
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author Guarnieri, Fabrício Daniel Finotti
Briso, André Luiz Fraga
Ramos, Fernanda de Souza e Silva
Esteves, Lara Maria Bueno
Omoto, Érika Mayumi
Sundfeld, Renato Herman
Fagundes, Ticiane Cestari
author_facet Guarnieri, Fabrício Daniel Finotti
Briso, André Luiz Fraga
Ramos, Fernanda de Souza e Silva
Esteves, Lara Maria Bueno
Omoto, Érika Mayumi
Sundfeld, Renato Herman
Fagundes, Ticiane Cestari
author_sort Guarnieri, Fabrício Daniel Finotti
collection PubMed
description The removal of direct composite veneers, when the retreatment is necessary, represents a challenge to the clinician, since the healthy dental structure must be preserved. Thus, the aim of this study was to compare the accuracy provided by different auxiliary devices during retreatment of direct composite veneers. Seventy-five bovine teeth were prepared for direct composite veneers, scanned (T1), and restored. Specimens were divided into 5 groups for retreatment: conventional high-speed handpiece without auxiliary device (WD); high-speed handpiece with a white LED (WL); high-speed handpiece with an UV light (UL); electric motor and multiplier 1/5 handpiece (EM); and conventional high-speed handpiece using magnifying loupe (ML). After retreatments, other scanning was performed (T2). Changes on dental wear or composite residues areas, as well as, the average between wear and presence of residues were measured. Data were submitted to Kruskal-Wallis and Dunn’s post-test (p≤ 0.05). There were greater areas of wear for ML, being statistically superior to WD and EM groups. The ML presented smaller residues areas, being statistically lower than the WD and EM groups. Regarding the average between wear and the presence of resin residues, additional wear occurred after re-preparation, regardless of the group. Magnifying loupe promoted greater areas of wear and smaller areas of resin residues than conventional high-speed handpiece and electric motor. Both techniques using light accessories did not differ from other ones.
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spelling pubmed-82085542021-06-29 Use of auxiliary devices during retreatment of direct resin composite veneers Guarnieri, Fabrício Daniel Finotti Briso, André Luiz Fraga Ramos, Fernanda de Souza e Silva Esteves, Lara Maria Bueno Omoto, Érika Mayumi Sundfeld, Renato Herman Fagundes, Ticiane Cestari PLoS One Research Article The removal of direct composite veneers, when the retreatment is necessary, represents a challenge to the clinician, since the healthy dental structure must be preserved. Thus, the aim of this study was to compare the accuracy provided by different auxiliary devices during retreatment of direct composite veneers. Seventy-five bovine teeth were prepared for direct composite veneers, scanned (T1), and restored. Specimens were divided into 5 groups for retreatment: conventional high-speed handpiece without auxiliary device (WD); high-speed handpiece with a white LED (WL); high-speed handpiece with an UV light (UL); electric motor and multiplier 1/5 handpiece (EM); and conventional high-speed handpiece using magnifying loupe (ML). After retreatments, other scanning was performed (T2). Changes on dental wear or composite residues areas, as well as, the average between wear and presence of residues were measured. Data were submitted to Kruskal-Wallis and Dunn’s post-test (p≤ 0.05). There were greater areas of wear for ML, being statistically superior to WD and EM groups. The ML presented smaller residues areas, being statistically lower than the WD and EM groups. Regarding the average between wear and the presence of resin residues, additional wear occurred after re-preparation, regardless of the group. Magnifying loupe promoted greater areas of wear and smaller areas of resin residues than conventional high-speed handpiece and electric motor. Both techniques using light accessories did not differ from other ones. Public Library of Science 2021-06-16 /pmc/articles/PMC8208554/ /pubmed/34133430 http://dx.doi.org/10.1371/journal.pone.0252171 Text en © 2021 Guarnieri et al https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Guarnieri, Fabrício Daniel Finotti
Briso, André Luiz Fraga
Ramos, Fernanda de Souza e Silva
Esteves, Lara Maria Bueno
Omoto, Érika Mayumi
Sundfeld, Renato Herman
Fagundes, Ticiane Cestari
Use of auxiliary devices during retreatment of direct resin composite veneers
title Use of auxiliary devices during retreatment of direct resin composite veneers
title_full Use of auxiliary devices during retreatment of direct resin composite veneers
title_fullStr Use of auxiliary devices during retreatment of direct resin composite veneers
title_full_unstemmed Use of auxiliary devices during retreatment of direct resin composite veneers
title_short Use of auxiliary devices during retreatment of direct resin composite veneers
title_sort use of auxiliary devices during retreatment of direct resin composite veneers
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8208554/
https://www.ncbi.nlm.nih.gov/pubmed/34133430
http://dx.doi.org/10.1371/journal.pone.0252171
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