Comportamento óptico e morfológico superficial de resinas compostas: influência de imersões e escovação
Autor(a) principal: | |
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Data de Publicação: | 2012 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Manancial - Repositório Digital da UFSM |
Texto Completo: | http://repositorio.ufsm.br/handle/1/6097 |
Resumo: | This study aimed to evaluate the optical and surface behaviors of composite resin, when submitted to brushing and immersion in different medium. There were fabricated 60 specimens (cps) of a microhybrid resin (Filtek Z250) and of a nanoparticulate resin (Filtek Z350XT), using a metalized matrix (8 mm diameter x 2 mm thickness). The cps were photo activated with a LED (800mW/cm2) for 40s, then, they were polished with sandpaper disks and felt disks with diamond paste, washed with water and dried with absorbent paper. After 24 hours of hydration in deionized water at 37ºC, they divided into six experimental groups (n=10) according to the storage medium and type of treatment (stored in deionized water or red wine: not brushed, brushed with water and brushed with toothpaste). The initial reading (after 24h of hydration in water) about the surface roughness (Ra) was done with the surface roughness gauge (Mitutoyo Surftest SJ-201P) and the CIE L* a* b* parameter with the spectrophotometer (SP60 EX-Rite). Only the top surface was exposed to the staining process, the other faces were isolated with white acrylic resin, after that, they were immersed into the storage medium. Three immersion cycles were done (5, 10 and 15 days) with 5 days of duration. After the immersion periods, the resin was removed, the cp was again evaluated according to the CIE L* a* b* parameters and the surface roughness. The top surface was submitted to 585 brushing cycles in each 5 days. Successive readings were done after 5th and 15th days of immersion and after the first and third brushings. The data were submitted to Variance Analysis and Tukey test. The red wine had more impact than the deionized water on the color change of composite resins. The simulated brushing did not totally remove the pigments and its accumulation was dependent on the material composition, being the nanoparticulate resin more susceptible to this action. The composite resin showed similar behavior in relation to the surface roughness, and the toothpaste brushing promoted more abrasion than the water brushing. |
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Comportamento óptico e morfológico superficial de resinas compostas: influência de imersões e escovaçãoOptical behavior and morphological surface of composite resins: influence of immersions and brushingResinas compostasManchamentoEscovação dentáriaComposite resinsStainingToothbrushingCNPQ::CIENCIAS DA SAUDE::ODONTOLOGIAThis study aimed to evaluate the optical and surface behaviors of composite resin, when submitted to brushing and immersion in different medium. There were fabricated 60 specimens (cps) of a microhybrid resin (Filtek Z250) and of a nanoparticulate resin (Filtek Z350XT), using a metalized matrix (8 mm diameter x 2 mm thickness). The cps were photo activated with a LED (800mW/cm2) for 40s, then, they were polished with sandpaper disks and felt disks with diamond paste, washed with water and dried with absorbent paper. After 24 hours of hydration in deionized water at 37ºC, they divided into six experimental groups (n=10) according to the storage medium and type of treatment (stored in deionized water or red wine: not brushed, brushed with water and brushed with toothpaste). The initial reading (after 24h of hydration in water) about the surface roughness (Ra) was done with the surface roughness gauge (Mitutoyo Surftest SJ-201P) and the CIE L* a* b* parameter with the spectrophotometer (SP60 EX-Rite). Only the top surface was exposed to the staining process, the other faces were isolated with white acrylic resin, after that, they were immersed into the storage medium. Three immersion cycles were done (5, 10 and 15 days) with 5 days of duration. After the immersion periods, the resin was removed, the cp was again evaluated according to the CIE L* a* b* parameters and the surface roughness. The top surface was submitted to 585 brushing cycles in each 5 days. Successive readings were done after 5th and 15th days of immersion and after the first and third brushings. The data were submitted to Variance Analysis and Tukey test. The red wine had more impact than the deionized water on the color change of composite resins. The simulated brushing did not totally remove the pigments and its accumulation was dependent on the material composition, being the nanoparticulate resin more susceptible to this action. The composite resin showed similar behavior in relation to the surface roughness, and the toothpaste brushing promoted more abrasion than the water brushing.Coordenação de Aperfeiçoamento de Pessoal de Nível SuperiorEste estudo se propôs avaliar o comportamento óptico e superficial de resinas compostas, quando submetidas à imersão em diferentes meios e à escovação. Foram confeccionados 60 corpos-de-prova (cps) de uma resina microhíbrida (Filtek Z250) e uma resina nanoparticulada (Filtek Z350XT), utilizando matriz metálica nas seguintes dimensões 8 mm diâmetro x 2 mm espessura. O cps foram fotoativados com um LED (800mW/cm2) por 40s, polidos com discos de lixa e disco de feltro com pasta diamantada, lavados com água e secos com papel absorvente. Após 24 horas de hidratação em água deionizada a 37ºC, foram divididos em seis grupos experimentais (n=10) de acordo com o meio de armazenamento e tipo de tratamento (armazenados em água deionizada ou vinho tinto suave: não escovado, escovado com água e escovado com dentifrício). A leitura inicial (após 24h de hidratação em água) da rugosidade superficial (Ra) foi realizada com o rugosímetro (Mitutoyo Surftest SJ-201P) e dos parâmetros CIE L* a* b* com espectrofotômetro (SP60 EX-Rite). Somente a superfície de topo foi exposta ao processo de manchamento, as demais faces foram isoladas com cera acrílica branca, após os cps foram imersos nos meios de armazenamento. Foram realizados 3 ciclos de imersão (5, 10 e 15 dias) com 5 dias de duração. Após os períodos de imersão, a cera foi removida, o cp foi novamente aferido quanto aos parâmetros CIE L* a* b* e rugosidade superficial. A superfície de topo foi submetida a 585 ciclos de escovação simulada a cada 5 dias. Sucessivas leituras foram realizadas após o 5º e 15° dia de imersão e após a primeira e terceira escovação. Os dados foram submetidos à Análise de Variância e teste de Tukey. O vinho tinto teve maior impacto do que a água deionizada sobre a alteração de cor das resinas compostas. A escovação simulada não realizou a remoção total de pigmentos e o manchamento foi dependente da composição do material, sendo a resina nanoparticulada mais susceptível. As resinas compostas apresentaram comportamentos semelhantes quanto à rugosidade de superfície e a escovação com dentifrício promoveu maior abrasão que a escovação com água.Universidade Federal de Santa MariaBROdontologiaUFSMPrograma de Pós-Graduação em Ciências OdontológicasJacques, Letícia Borgeshttp://lattes.cnpq.br/6588065834649820Mallmann, Andréhttp://lattes.cnpq.br/9130016331107830Romão Junior, Waldyrhttp://lattes.cnpq.br/2357831290704281Pozzobon, Roselaine Terezinhahttp://lattes.cnpq.br/0725237903741859Mozzaquatro, Lisandra Rossato2013-04-302013-04-302012-03-26info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisapplication/pdfapplication/pdfMOZZAQUATRO, Lisandra Rossato. Optical behavior and morphological surface of composite resins: influence of immersions and brushing. 2012. 60 f. Dissertação (Mestrado em Odontologia) - Universidade Federal de Santa Maria, Santa Maria, 2012.http://repositorio.ufsm.br/handle/1/6097porinfo:eu-repo/semantics/openAccessreponame:Manancial - Repositório Digital da UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSM2023-06-14T17:42:17Zoai:repositorio.ufsm.br:1/6097Biblioteca Digital de Teses e Dissertaçõeshttps://repositorio.ufsm.br/ONGhttps://repositorio.ufsm.br/oai/requestatendimento.sib@ufsm.br||tedebc@gmail.comopendoar:2023-06-14T17:42:17Manancial - Repositório Digital da UFSM - Universidade Federal de Santa Maria (UFSM)false |
dc.title.none.fl_str_mv |
Comportamento óptico e morfológico superficial de resinas compostas: influência de imersões e escovação Optical behavior and morphological surface of composite resins: influence of immersions and brushing |
title |
Comportamento óptico e morfológico superficial de resinas compostas: influência de imersões e escovação |
spellingShingle |
Comportamento óptico e morfológico superficial de resinas compostas: influência de imersões e escovação Mozzaquatro, Lisandra Rossato Resinas compostas Manchamento Escovação dentária Composite resins Staining Toothbrushing CNPQ::CIENCIAS DA SAUDE::ODONTOLOGIA |
title_short |
Comportamento óptico e morfológico superficial de resinas compostas: influência de imersões e escovação |
title_full |
Comportamento óptico e morfológico superficial de resinas compostas: influência de imersões e escovação |
title_fullStr |
Comportamento óptico e morfológico superficial de resinas compostas: influência de imersões e escovação |
title_full_unstemmed |
Comportamento óptico e morfológico superficial de resinas compostas: influência de imersões e escovação |
title_sort |
Comportamento óptico e morfológico superficial de resinas compostas: influência de imersões e escovação |
author |
Mozzaquatro, Lisandra Rossato |
author_facet |
Mozzaquatro, Lisandra Rossato |
author_role |
author |
dc.contributor.none.fl_str_mv |
Jacques, Letícia Borges http://lattes.cnpq.br/6588065834649820 Mallmann, André http://lattes.cnpq.br/9130016331107830 Romão Junior, Waldyr http://lattes.cnpq.br/2357831290704281 Pozzobon, Roselaine Terezinha http://lattes.cnpq.br/0725237903741859 |
dc.contributor.author.fl_str_mv |
Mozzaquatro, Lisandra Rossato |
dc.subject.por.fl_str_mv |
Resinas compostas Manchamento Escovação dentária Composite resins Staining Toothbrushing CNPQ::CIENCIAS DA SAUDE::ODONTOLOGIA |
topic |
Resinas compostas Manchamento Escovação dentária Composite resins Staining Toothbrushing CNPQ::CIENCIAS DA SAUDE::ODONTOLOGIA |
description |
This study aimed to evaluate the optical and surface behaviors of composite resin, when submitted to brushing and immersion in different medium. There were fabricated 60 specimens (cps) of a microhybrid resin (Filtek Z250) and of a nanoparticulate resin (Filtek Z350XT), using a metalized matrix (8 mm diameter x 2 mm thickness). The cps were photo activated with a LED (800mW/cm2) for 40s, then, they were polished with sandpaper disks and felt disks with diamond paste, washed with water and dried with absorbent paper. After 24 hours of hydration in deionized water at 37ºC, they divided into six experimental groups (n=10) according to the storage medium and type of treatment (stored in deionized water or red wine: not brushed, brushed with water and brushed with toothpaste). The initial reading (after 24h of hydration in water) about the surface roughness (Ra) was done with the surface roughness gauge (Mitutoyo Surftest SJ-201P) and the CIE L* a* b* parameter with the spectrophotometer (SP60 EX-Rite). Only the top surface was exposed to the staining process, the other faces were isolated with white acrylic resin, after that, they were immersed into the storage medium. Three immersion cycles were done (5, 10 and 15 days) with 5 days of duration. After the immersion periods, the resin was removed, the cp was again evaluated according to the CIE L* a* b* parameters and the surface roughness. The top surface was submitted to 585 brushing cycles in each 5 days. Successive readings were done after 5th and 15th days of immersion and after the first and third brushings. The data were submitted to Variance Analysis and Tukey test. The red wine had more impact than the deionized water on the color change of composite resins. The simulated brushing did not totally remove the pigments and its accumulation was dependent on the material composition, being the nanoparticulate resin more susceptible to this action. The composite resin showed similar behavior in relation to the surface roughness, and the toothpaste brushing promoted more abrasion than the water brushing. |
publishDate |
2012 |
dc.date.none.fl_str_mv |
2012-03-26 2013-04-30 2013-04-30 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
MOZZAQUATRO, Lisandra Rossato. Optical behavior and morphological surface of composite resins: influence of immersions and brushing. 2012. 60 f. Dissertação (Mestrado em Odontologia) - Universidade Federal de Santa Maria, Santa Maria, 2012. http://repositorio.ufsm.br/handle/1/6097 |
identifier_str_mv |
MOZZAQUATRO, Lisandra Rossato. Optical behavior and morphological surface of composite resins: influence of immersions and brushing. 2012. 60 f. Dissertação (Mestrado em Odontologia) - Universidade Federal de Santa Maria, Santa Maria, 2012. |
url |
http://repositorio.ufsm.br/handle/1/6097 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria BR Odontologia UFSM Programa de Pós-Graduação em Ciências Odontológicas |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria BR Odontologia UFSM Programa de Pós-Graduação em Ciências Odontológicas |
dc.source.none.fl_str_mv |
reponame:Manancial - Repositório Digital da UFSM instname:Universidade Federal de Santa Maria (UFSM) instacron:UFSM |
instname_str |
Universidade Federal de Santa Maria (UFSM) |
instacron_str |
UFSM |
institution |
UFSM |
reponame_str |
Manancial - Repositório Digital da UFSM |
collection |
Manancial - Repositório Digital da UFSM |
repository.name.fl_str_mv |
Manancial - Repositório Digital da UFSM - Universidade Federal de Santa Maria (UFSM) |
repository.mail.fl_str_mv |
atendimento.sib@ufsm.br||tedebc@gmail.com |
_version_ |
1805922049658454016 |