Deflection and flexural strength effects on the roughness of aesthetic-coated orthodontic wires

Detalhes bibliográficos
Autor(a) principal: Correr, Américo Bortolazzo, 1981-
Data de Publicação: 2017
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório da Produção Científica e Intelectual da Unicamp
Texto Completo: https://hdl.handle.net/20.500.12733/2467
Resumo: Abstract: The aim was to evaluate the flexural strength and the effects of deflection on the surface roughness of esthetic orthodontic wires. The sample consisted of 70 archwire 0.014-inch: polytetrafluorethylene (PTFE)-coated Nickel-Titanium (Niti) archwires (Titanol Cosmetic-TC, Flexy Super Elastic Esthetic-FSE, esthetic Nickel Titanium Wire-ANT); epoxy resin-coated Niti archwires (Spectra-S, Niticosmetic-TEC); gold and rhodium coated Niti (Sentalloy-STC) and a control group (superelastic Niti (Nitinol-NS). The initial roughness was evaluated with a rugosimeter. After that, the wires were submitted to flexural test in an universal testing machine. Each wire was deflected up to 2 mm at a speed of 1 mm/min. After flexural test, the roughness of the wires was evaluted on the same surface as that used for the initial evaluation. The data of roughness and flexural strength were analyzed by one-way ANOVA and Tukey’s test (a=0.05). Student t-test compared roughness before and after deflection (a =0.05). The roughness of S and ANT (epoxy resin and PTFE-coated wires, respectively), before and after deflection, was significantly higher than the other groups (p<0.05). Wire deflection significantly increased the roughness of the wires S and STC (p<0.05). The flexural strength of groups FSE and NS (PTFE and uncoated) was higher compared with that of the other groups (p<0.05). We concluded that the roughness and flexural strength of the orthodontic wires does not depend on the type of the esthetic coating, but it is influenced by the method of application of this coating. The deflection can increase the roughness of the esthetic orthodontic wires
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spelling Deflection and flexural strength effects on the roughness of aesthetic-coated orthodontic wiresTopografiaTopographyorthodontic correctiveArtigo originalAbstract: The aim was to evaluate the flexural strength and the effects of deflection on the surface roughness of esthetic orthodontic wires. The sample consisted of 70 archwire 0.014-inch: polytetrafluorethylene (PTFE)-coated Nickel-Titanium (Niti) archwires (Titanol Cosmetic-TC, Flexy Super Elastic Esthetic-FSE, esthetic Nickel Titanium Wire-ANT); epoxy resin-coated Niti archwires (Spectra-S, Niticosmetic-TEC); gold and rhodium coated Niti (Sentalloy-STC) and a control group (superelastic Niti (Nitinol-NS). The initial roughness was evaluated with a rugosimeter. After that, the wires were submitted to flexural test in an universal testing machine. Each wire was deflected up to 2 mm at a speed of 1 mm/min. After flexural test, the roughness of the wires was evaluted on the same surface as that used for the initial evaluation. The data of roughness and flexural strength were analyzed by one-way ANOVA and Tukey’s test (a=0.05). Student t-test compared roughness before and after deflection (a =0.05). The roughness of S and ANT (epoxy resin and PTFE-coated wires, respectively), before and after deflection, was significantly higher than the other groups (p<0.05). Wire deflection significantly increased the roughness of the wires S and STC (p<0.05). The flexural strength of groups FSE and NS (PTFE and uncoated) was higher compared with that of the other groups (p<0.05). We concluded that the roughness and flexural strength of the orthodontic wires does not depend on the type of the esthetic coating, but it is influenced by the method of application of this coating. The deflection can increase the roughness of the esthetic orthodontic wiresResumo: O objetivo foi avaliar a resistência a flexão e os efeitos da deflexão na rugosidade de superfície de fios ortodônticos estéticos. A amostra foi composta por 70 segmentos de fios NiTi calibre 0,014 polegadas: revestidos por politetrafluoretileno (PTFE) (Titanol Cosmetic-TC, Flexy Super Elastic Esthetic-FSE, Aesthetic Nickel Titanium Wire-ANT); revestidos por resina epoxídica (Spectra-S, Niticosmetic-TEC); revestidos por ouro e ródio (Sentalloy-STC); e grupo controle sem revestimento (Nitinol-NS). A rugosidade inicial foi avaliada em perfilômetro. Em seguida, os fios foram submetidos ao teste de resistência a flexão 3 pontos em máquina de ensaio universal. Cada fio foi defletido até 2mm com velocidade de 1 mm/min. Após o ensaio de resistência a flexão, a rugosidade dos fios foi verificada na mesma superfície avaliada inicialmente. Os resultados rugosidade e resistência a flexão foram analisados por análise de variância 1 fator e teste de Tukey (a=0,05). Teste t de Student foi utilizado para comparação da rugosidade antes e após deflexão (a=0.05). A rugosidade de S e ANT (revestimentos resina epoxídica e PTFE, respectivamente), antes e após a deflexão, foi significativamente maior que dos demais grupos (p<0,05). A deflexão aumentou significativamente a rugosidade dos fios S e STC (p<0,05). A resistência a flexão de FSE e NS (teflon e sem recobrimento, respectivamente) foi maior comparada aos demais grupos (p<0,05). Conclui-se que a rugosidade e resistência a flexão não dependem do tipo de revestimento estético, mas é influenciada pelo modo de aplicação deste revestimento. A deflexão pode aumentar a rugosidade de alguns fios estéticosAbertoUNIVERSIDADE ESTADUAL DE CAMPINASCorrer, Américo Bortolazzo, 1981-2017info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/20.500.12733/2467CORRER, Américo Bortolazzo. Deflection and flexural strength effects on the roughness of aesthetic-coated orthodontic wires. Brazilian dental journal. Ribeirão Preto, SP : USP/Fundação Odontológica de Ribeirão Preto, 2017. Vol. 28, n. 1 (Jan./Feb., 2017), p. 40-45. Disponível em: https://hdl.handle.net/20.500.12733/2467. Acesso em: 7 mai. 2024.Inglêsenghttps://repositorio.unicamp.br/acervo/detalhe/1168963reponame:Repositório da Produção Científica e Intelectual da Unicampinstname:Universidade Estadual de Campinas (UNICAMP)instacron:UNICAMPinfo:eu-repo/semantics/openAccess2023-09-27T14:20:01Zoai:https://www.repositorio.unicamp.br/:1168963Repositório InstitucionalPUBhttp://repositorio.unicamp.br/oai/requestreposip@unicamp.bropendoar:2023-09-27T14:20:01Repositório da Produção Científica e Intelectual da Unicamp - Universidade Estadual de Campinas (UNICAMP)false
dc.title.none.fl_str_mv Deflection and flexural strength effects on the roughness of aesthetic-coated orthodontic wires
title Deflection and flexural strength effects on the roughness of aesthetic-coated orthodontic wires
spellingShingle Deflection and flexural strength effects on the roughness of aesthetic-coated orthodontic wires
Correr, Américo Bortolazzo, 1981-
Topografia
Topography
orthodontic corrective
Artigo original
title_short Deflection and flexural strength effects on the roughness of aesthetic-coated orthodontic wires
title_full Deflection and flexural strength effects on the roughness of aesthetic-coated orthodontic wires
title_fullStr Deflection and flexural strength effects on the roughness of aesthetic-coated orthodontic wires
title_full_unstemmed Deflection and flexural strength effects on the roughness of aesthetic-coated orthodontic wires
title_sort Deflection and flexural strength effects on the roughness of aesthetic-coated orthodontic wires
author Correr, Américo Bortolazzo, 1981-
author_facet Correr, Américo Bortolazzo, 1981-
author_role author
dc.contributor.none.fl_str_mv UNIVERSIDADE ESTADUAL DE CAMPINAS
dc.contributor.author.fl_str_mv Correr, Américo Bortolazzo, 1981-
dc.subject.por.fl_str_mv Topografia
Topography
orthodontic corrective
Artigo original
topic Topografia
Topography
orthodontic corrective
Artigo original
description Abstract: The aim was to evaluate the flexural strength and the effects of deflection on the surface roughness of esthetic orthodontic wires. The sample consisted of 70 archwire 0.014-inch: polytetrafluorethylene (PTFE)-coated Nickel-Titanium (Niti) archwires (Titanol Cosmetic-TC, Flexy Super Elastic Esthetic-FSE, esthetic Nickel Titanium Wire-ANT); epoxy resin-coated Niti archwires (Spectra-S, Niticosmetic-TEC); gold and rhodium coated Niti (Sentalloy-STC) and a control group (superelastic Niti (Nitinol-NS). The initial roughness was evaluated with a rugosimeter. After that, the wires were submitted to flexural test in an universal testing machine. Each wire was deflected up to 2 mm at a speed of 1 mm/min. After flexural test, the roughness of the wires was evaluted on the same surface as that used for the initial evaluation. The data of roughness and flexural strength were analyzed by one-way ANOVA and Tukey’s test (a=0.05). Student t-test compared roughness before and after deflection (a =0.05). The roughness of S and ANT (epoxy resin and PTFE-coated wires, respectively), before and after deflection, was significantly higher than the other groups (p<0.05). Wire deflection significantly increased the roughness of the wires S and STC (p<0.05). The flexural strength of groups FSE and NS (PTFE and uncoated) was higher compared with that of the other groups (p<0.05). We concluded that the roughness and flexural strength of the orthodontic wires does not depend on the type of the esthetic coating, but it is influenced by the method of application of this coating. The deflection can increase the roughness of the esthetic orthodontic wires
publishDate 2017
dc.date.none.fl_str_mv 2017
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://hdl.handle.net/20.500.12733/2467
CORRER, Américo Bortolazzo. Deflection and flexural strength effects on the roughness of aesthetic-coated orthodontic wires. Brazilian dental journal. Ribeirão Preto, SP : USP/Fundação Odontológica de Ribeirão Preto, 2017. Vol. 28, n. 1 (Jan./Feb., 2017), p. 40-45. Disponível em: https://hdl.handle.net/20.500.12733/2467. Acesso em: 7 mai. 2024.
url https://hdl.handle.net/20.500.12733/2467
identifier_str_mv CORRER, Américo Bortolazzo. Deflection and flexural strength effects on the roughness of aesthetic-coated orthodontic wires. Brazilian dental journal. Ribeirão Preto, SP : USP/Fundação Odontológica de Ribeirão Preto, 2017. Vol. 28, n. 1 (Jan./Feb., 2017), p. 40-45. Disponível em: https://hdl.handle.net/20.500.12733/2467. Acesso em: 7 mai. 2024.
dc.language.iso.fl_str_mv Inglês
eng
language_invalid_str_mv Inglês
language eng
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dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Repositório da Produção Científica e Intelectual da Unicamp
instname:Universidade Estadual de Campinas (UNICAMP)
instacron:UNICAMP
instname_str Universidade Estadual de Campinas (UNICAMP)
instacron_str UNICAMP
institution UNICAMP
reponame_str Repositório da Produção Científica e Intelectual da Unicamp
collection Repositório da Produção Científica e Intelectual da Unicamp
repository.name.fl_str_mv Repositório da Produção Científica e Intelectual da Unicamp - Universidade Estadual de Campinas (UNICAMP)
repository.mail.fl_str_mv reposip@unicamp.br
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