Influência da silanização de pinos de fibra de vidro na resistência de união a um cimento resinoso autoadesivo

Detalhes bibliográficos
Autor(a) principal: SANTOS, Lairds Rodrigues dos
Data de Publicação: 2016
Tipo de documento: Dissertação
Idioma: por
Título da fonte: Biblioteca Digital de Teses e Dissertações da UFMA
Texto Completo: https://tedebc.ufma.br/jspui/handle/tede/tede/2713
Resumo: The purpose of this in vitro study was to evaluate the influence of different chemical and mechanical surface treatments alone or in association with the silane, on GFPs bond strength using a self-adhesive resin cement. Eighty-four unirradicular bovine roots divided into six groups (n = 14) were prepared and submitted to bond strength analysis after cementation with fiber glass posts (GFPs). The following surface treatments were evaluated: control (C) - without surface treatment, silane (S), 24% hydrogen peroxide for 1 minute (PER), 24% hydrogen peroxide for 1 minute with silane (PER + SIL) , blasting with aluminum oxide particles 50μm (JAT) and blasting with 50μm aluminum oxide particles with silane (JAT + SIL). Then, the experimental groups received application of the adhesive layer and were cemented using a self-adhesive resin cement U200. A layer of composite resin was inserted over the cervical surface of the roots. After 7 days of storage in distilled water at 37ºC, the roots were submitted to serial cuts, perpendicular to the long axis of the pin, obtaining two slices for each third (cervical, middle, apical) with dimensions of approximately 1.4mm. The samples were submitted to the mechanical Push-out test on the Instron 3342 machine at a speed of 0.5mm / min, operating with a 500 N cell-load in the apico-cervical direction until the specimens were ruptured. For an analysis of the RU the data were submitted individually to the analysis of variance in a single factor, being the factor under study or surface treatment, followed by the TUKEY test that was applied for comparisons between the groups. The results demonstrated that there was a statistically significant difference in the interaction between the six groups (p <0.001). The groups (SIL: 10.5 ± 3.5MPa, JAT + SIL: 11.5 ± 3.2MPa, PER + SIL: 11.6 ± 4.6MPa) presented the highest values of RU in comparison to the groups (Control: 6.5 ± 2.9 Mpa, JAT: 8.6 ± 4.0 Mpa, PER: 7.1 ± 2.8 MPa), there was no statistically significant difference between the groups receiving silanization. The fracture mode varied according to the surface treatment used in cement-dentin and cement-pine. The groups SIL, JAT, PER + SIL presented higher frequency of cement-pin adhesive failure, while the groups Controle, JAT + SIL and PER groups showed a higher percentage of cement-dentine adhesive failures. It was concluded that the use of silane influenced the increase in bond strength.
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spelling ALVES, Claúdia Maria Coelho137013043-00http://lattes.cnpq.br/0697567552425298LIMA, Darlon Martins729427543-20http://lattes.cnpq.br/9472478898441292FIROOZMAND, Leily Macedohttp://lattes.cnpq.br/4203623686752952CARNEIRO , Karina Gama Katohttp://lattes.cnpq.br/0653142728445315ALVES, Claúdia Maria Coelho137013043-00http://lattes.cnpq.br/0697567552425298995610183-49http://lattes.cnpq.br/2206208354160838SANTOS, Lairds Rodrigues dos2019-06-04T19:40:10Z2016-12-16SANTOS, Lairds Rodrigues dos. Influência da silanização de pinos de fibra de vidro na resistência de união a um cimento resinoso autoadesivo. 2016. 57 f. Dissertação (Programa de Pós-Graduação em Odontologia/CCBS) - Universidade Federal do Maranhão, São Luís.https://tedebc.ufma.br/jspui/handle/tede/tede/2713The purpose of this in vitro study was to evaluate the influence of different chemical and mechanical surface treatments alone or in association with the silane, on GFPs bond strength using a self-adhesive resin cement. Eighty-four unirradicular bovine roots divided into six groups (n = 14) were prepared and submitted to bond strength analysis after cementation with fiber glass posts (GFPs). The following surface treatments were evaluated: control (C) - without surface treatment, silane (S), 24% hydrogen peroxide for 1 minute (PER), 24% hydrogen peroxide for 1 minute with silane (PER + SIL) , blasting with aluminum oxide particles 50μm (JAT) and blasting with 50μm aluminum oxide particles with silane (JAT + SIL). Then, the experimental groups received application of the adhesive layer and were cemented using a self-adhesive resin cement U200. A layer of composite resin was inserted over the cervical surface of the roots. After 7 days of storage in distilled water at 37ºC, the roots were submitted to serial cuts, perpendicular to the long axis of the pin, obtaining two slices for each third (cervical, middle, apical) with dimensions of approximately 1.4mm. The samples were submitted to the mechanical Push-out test on the Instron 3342 machine at a speed of 0.5mm / min, operating with a 500 N cell-load in the apico-cervical direction until the specimens were ruptured. For an analysis of the RU the data were submitted individually to the analysis of variance in a single factor, being the factor under study or surface treatment, followed by the TUKEY test that was applied for comparisons between the groups. The results demonstrated that there was a statistically significant difference in the interaction between the six groups (p <0.001). The groups (SIL: 10.5 ± 3.5MPa, JAT + SIL: 11.5 ± 3.2MPa, PER + SIL: 11.6 ± 4.6MPa) presented the highest values of RU in comparison to the groups (Control: 6.5 ± 2.9 Mpa, JAT: 8.6 ± 4.0 Mpa, PER: 7.1 ± 2.8 MPa), there was no statistically significant difference between the groups receiving silanization. The fracture mode varied according to the surface treatment used in cement-dentin and cement-pine. The groups SIL, JAT, PER + SIL presented higher frequency of cement-pin adhesive failure, while the groups Controle, JAT + SIL and PER groups showed a higher percentage of cement-dentine adhesive failures. It was concluded that the use of silane influenced the increase in bond strength.O objetivo deste estudo in vitro foi avaliar a influência de diferentes tratamentos de superfície químicos e mecânicos isoladamente ou em associação com o silano, na resistência de união (RU) de pinos de fibra de vidro (PFV) utilizando um cimento resinoso autoadesivo. Oitenta e quatro raízes bovinas unirradiculares divididas em seis grupos (n=14) foram preparadas e submetidas à análise da RU após cimentação com PFV. Os seguintes tratamentos de superfície foram avaliados: controle (C) - sem tratamento de superfície, silano (S), peróxido de hidrogênio à 24% por 1 minuto (PER) , peróxido de hidrogênio 24% por 1 minuto com silano (PER+ SIL), jateamento com partículas de óxido de alumínio 50μm (JAT) e jateamento com partículas de óxido de alumínio 50μm com silano (JAT+SIL). Em seguida, os grupos experimentais receberam aplicação da camada de adesivo e foram cimentados utilizando um cimento resinoso autoadesivo U200. Uma camada de resina composta foi inserida sobre a superfície cervical das raízes. Após 7 dias de armazenamento em água destilada à 37ºC, as raízes foram submetidas a cortes seriados, perpendiculares ao longo eixo do pino, obtendo- se duas fatias para cada terço (cervical, médio, apical) com dimensões de aproximadamente 1,4mm. As amostras foram submetidas ao ensaio mecânico Push-out na máquina Instron 3342 à velocidade de 0,5mm/min, operando com uma célula-carga de 500 N no sentido ápico-cervical até o rompimento dos espécimes. Para a análise da RU os dados foram submetidos individualmente à análise de variância em fator único, sendo o fator em estudo o tratamento de superfície, seguido pelo teste de TUKEY que foi aplicado para comparações entre os grupos. Os resultados demonstraram que houve diferença estatística significativa na interação entre os seis grupos (p<0,001). Os grupos (SIL:10,5±3,5MPa; JAT+SIL:11,5±3,2MPa; PER+SIL:11,6±4,6MPa) apresentaram os maiores valores de RU em comparação aos grupos (Controle:6,5±2,9Mpa; JAT:8,6±4,0Mpa; PER:7,1±2,8MPa), não havendo diferença estatística significativa entre os grupos que receberam silanização. O modo de fratura variou de acordo com o tratamento de superfície utilizado em cimento-dentina e cimento-pino. Os grupos SIL, JAT, PER+SIL apresentaram maior frequência de falha adesiva cimento-pino, enquanto que os grupos Controle, JAT + SIL e PER observou-se maior percentual de falhas adesiva cimento-dentina. Concluiu-se que o uso do silano influenciou no aumento da RU.Submitted by Sheila MONTEIRO (sheila.monteiro@ufma.br) on 2019-06-04T19:40:10Z No. of bitstreams: 1 LAIRDS-Santos.pdf: 912973 bytes, checksum: f34a2d64589c99b455cd2caefcb68a0f (MD5)Made available in DSpace on 2019-06-04T19:40:10Z (GMT). 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dc.title.por.fl_str_mv Influência da silanização de pinos de fibra de vidro na resistência de união a um cimento resinoso autoadesivo
dc.title.alternative.eng.fl_str_mv Influence of glass fiber pin silanization on bond strength to self-adhesive resin cement
title Influência da silanização de pinos de fibra de vidro na resistência de união a um cimento resinoso autoadesivo
spellingShingle Influência da silanização de pinos de fibra de vidro na resistência de união a um cimento resinoso autoadesivo
SANTOS, Lairds Rodrigues dos
Pinos dentários
Cimentos de resina
Resistência ao cisalhamento
Dental pins
Resin cements
Shear strength
Materiais Odontológicos
title_short Influência da silanização de pinos de fibra de vidro na resistência de união a um cimento resinoso autoadesivo
title_full Influência da silanização de pinos de fibra de vidro na resistência de união a um cimento resinoso autoadesivo
title_fullStr Influência da silanização de pinos de fibra de vidro na resistência de união a um cimento resinoso autoadesivo
title_full_unstemmed Influência da silanização de pinos de fibra de vidro na resistência de união a um cimento resinoso autoadesivo
title_sort Influência da silanização de pinos de fibra de vidro na resistência de união a um cimento resinoso autoadesivo
author SANTOS, Lairds Rodrigues dos
author_facet SANTOS, Lairds Rodrigues dos
author_role author
dc.contributor.advisor1.fl_str_mv ALVES, Claúdia Maria Coelho
dc.contributor.advisor1ID.fl_str_mv 137013043-00
dc.contributor.advisor1Lattes.fl_str_mv http://lattes.cnpq.br/0697567552425298
dc.contributor.advisor-co1.fl_str_mv LIMA, Darlon Martins
dc.contributor.advisor-co1ID.fl_str_mv 729427543-20
dc.contributor.advisor-co1Lattes.fl_str_mv http://lattes.cnpq.br/9472478898441292
dc.contributor.referee1.fl_str_mv FIROOZMAND, Leily Macedo
dc.contributor.referee1Lattes.fl_str_mv http://lattes.cnpq.br/4203623686752952
dc.contributor.referee2.fl_str_mv CARNEIRO , Karina Gama Kato
dc.contributor.referee2Lattes.fl_str_mv http://lattes.cnpq.br/0653142728445315
dc.contributor.referee3.fl_str_mv ALVES, Claúdia Maria Coelho
dc.contributor.referee3ID.fl_str_mv 137013043-00
dc.contributor.referee3Lattes.fl_str_mv http://lattes.cnpq.br/0697567552425298
dc.contributor.authorID.fl_str_mv 995610183-49
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/2206208354160838
dc.contributor.author.fl_str_mv SANTOS, Lairds Rodrigues dos
contributor_str_mv ALVES, Claúdia Maria Coelho
LIMA, Darlon Martins
FIROOZMAND, Leily Macedo
CARNEIRO , Karina Gama Kato
ALVES, Claúdia Maria Coelho
dc.subject.por.fl_str_mv Pinos dentários
Cimentos de resina
Resistência ao cisalhamento
topic Pinos dentários
Cimentos de resina
Resistência ao cisalhamento
Dental pins
Resin cements
Shear strength
Materiais Odontológicos
dc.subject.eng.fl_str_mv Dental pins
Resin cements
Shear strength
dc.subject.cnpq.fl_str_mv Materiais Odontológicos
description The purpose of this in vitro study was to evaluate the influence of different chemical and mechanical surface treatments alone or in association with the silane, on GFPs bond strength using a self-adhesive resin cement. Eighty-four unirradicular bovine roots divided into six groups (n = 14) were prepared and submitted to bond strength analysis after cementation with fiber glass posts (GFPs). The following surface treatments were evaluated: control (C) - without surface treatment, silane (S), 24% hydrogen peroxide for 1 minute (PER), 24% hydrogen peroxide for 1 minute with silane (PER + SIL) , blasting with aluminum oxide particles 50μm (JAT) and blasting with 50μm aluminum oxide particles with silane (JAT + SIL). Then, the experimental groups received application of the adhesive layer and were cemented using a self-adhesive resin cement U200. A layer of composite resin was inserted over the cervical surface of the roots. After 7 days of storage in distilled water at 37ºC, the roots were submitted to serial cuts, perpendicular to the long axis of the pin, obtaining two slices for each third (cervical, middle, apical) with dimensions of approximately 1.4mm. The samples were submitted to the mechanical Push-out test on the Instron 3342 machine at a speed of 0.5mm / min, operating with a 500 N cell-load in the apico-cervical direction until the specimens were ruptured. For an analysis of the RU the data were submitted individually to the analysis of variance in a single factor, being the factor under study or surface treatment, followed by the TUKEY test that was applied for comparisons between the groups. The results demonstrated that there was a statistically significant difference in the interaction between the six groups (p <0.001). The groups (SIL: 10.5 ± 3.5MPa, JAT + SIL: 11.5 ± 3.2MPa, PER + SIL: 11.6 ± 4.6MPa) presented the highest values of RU in comparison to the groups (Control: 6.5 ± 2.9 Mpa, JAT: 8.6 ± 4.0 Mpa, PER: 7.1 ± 2.8 MPa), there was no statistically significant difference between the groups receiving silanization. The fracture mode varied according to the surface treatment used in cement-dentin and cement-pine. The groups SIL, JAT, PER + SIL presented higher frequency of cement-pin adhesive failure, while the groups Controle, JAT + SIL and PER groups showed a higher percentage of cement-dentine adhesive failures. It was concluded that the use of silane influenced the increase in bond strength.
publishDate 2016
dc.date.issued.fl_str_mv 2016-12-16
dc.date.accessioned.fl_str_mv 2019-06-04T19:40:10Z
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.citation.fl_str_mv SANTOS, Lairds Rodrigues dos. Influência da silanização de pinos de fibra de vidro na resistência de união a um cimento resinoso autoadesivo. 2016. 57 f. Dissertação (Programa de Pós-Graduação em Odontologia/CCBS) - Universidade Federal do Maranhão, São Luís.
dc.identifier.uri.fl_str_mv https://tedebc.ufma.br/jspui/handle/tede/tede/2713
identifier_str_mv SANTOS, Lairds Rodrigues dos. Influência da silanização de pinos de fibra de vidro na resistência de união a um cimento resinoso autoadesivo. 2016. 57 f. Dissertação (Programa de Pós-Graduação em Odontologia/CCBS) - Universidade Federal do Maranhão, São Luís.
url https://tedebc.ufma.br/jspui/handle/tede/tede/2713
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language por
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dc.publisher.none.fl_str_mv Universidade Federal do Maranhão
dc.publisher.program.fl_str_mv PROGRAMA DE PÓS-GRADUAÇÃO EM ODONTOLOGIA/CCBS
dc.publisher.initials.fl_str_mv UFMA
dc.publisher.country.fl_str_mv Brasil
dc.publisher.department.fl_str_mv DEPARTAMENTO DE ODONTOLOGIA II/CCBS
publisher.none.fl_str_mv Universidade Federal do Maranhão
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