Ação da clorexidina na resistência de união e na atividade antibacteriana de diferentes sistemas adesivos: estudo in vitro

Detalhes bibliográficos
Autor(a) principal: Lima, Bruna Caroline de Oliveira
Data de Publicação: 2017
Tipo de documento: Dissertação
Idioma: por
Título da fonte: Biblioteca Digital de Teses e Dissertações do UNIOESTE
Texto Completo: http://tede.unioeste.br/handle/tede/3713
Resumo: Chlorhexidine in recent years has been used in dentistry for the improvement of the hybrid layer and consequently greater durability of direct aesthetic restorations. Thus, the objective of this work can be applied in vitro or the effect of chlorhexidine (CHX) on the adhesive interfaces, through the microshear bond strength test and the antibacterial activity of CHX incorporated to different adhesive systems, after 24 hours and 30 days of immersion in solution distilled water. We selected 150 crowns of bovine incisors divided into three groups: G1: Single Bond Plus adhesive system; G2: Clearfil SE Bond adhesive system; G3: adhesive system AdheSE Primer and Bond. All groups were subdivided according to the incorporation of CHX (n = 5): no CHX, with CHX prior to incorporated with 0.5%, 1.0% and 2.0% CHX. The micro-shear test was performed with half the CP after 24 hours and with another medium for 30 days. Later, the fracture modes were also found. Antibacterial diffusion tests on agar with Streptococcus mutans were performed with the same groups and subgroups. The Bond Strength variable was evaluated between the groups and solutions by means of the Factor Variance Analysis for repeated measurements. However, the variable size of the bacterial halo was submitted to Kruskall - Wallis non - parametric test, both with a significance level of 95%. The qualitative variability of fractures was evaluated through descriptive statistical analysis. The concentrations of CHX with 0.5 and 1% contributed to the increase of bond strength values and the Clearfil SE Bond system had the highest mean values in the microshear bond strength test. The AdheSE Bond adhesive system presents the best results without antibacterial testing with S.mutans.
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spelling Camilotti, Veridianahttp://lattes.cnpq.br/9340494276264996Menolli, Rafael Andradehttp://lattes.cnpq.br/2119646769798898Pini, Núbia Inocencya Pavesihttp://lattes.cnpq.br/0798226450922503http://lattes.cnpq.br/6928316260018785Lima, Bruna Caroline de Oliveira2018-05-28T19:35:21Z2017-02-10LIMA, Bruna Caroline de Oliveira. Ação da clorexidina na resistência de união e na atividade antibacteriana de diferentes sistemas adesivos: estudo in vitro. 2017. 38 f. Dissertação ( Mestrado em Odontologia) - Universidade Estadual do Oeste do Paraná, Cascavel, 2017.http://tede.unioeste.br/handle/tede/3713Chlorhexidine in recent years has been used in dentistry for the improvement of the hybrid layer and consequently greater durability of direct aesthetic restorations. Thus, the objective of this work can be applied in vitro or the effect of chlorhexidine (CHX) on the adhesive interfaces, through the microshear bond strength test and the antibacterial activity of CHX incorporated to different adhesive systems, after 24 hours and 30 days of immersion in solution distilled water. We selected 150 crowns of bovine incisors divided into three groups: G1: Single Bond Plus adhesive system; G2: Clearfil SE Bond adhesive system; G3: adhesive system AdheSE Primer and Bond. All groups were subdivided according to the incorporation of CHX (n = 5): no CHX, with CHX prior to incorporated with 0.5%, 1.0% and 2.0% CHX. The micro-shear test was performed with half the CP after 24 hours and with another medium for 30 days. Later, the fracture modes were also found. Antibacterial diffusion tests on agar with Streptococcus mutans were performed with the same groups and subgroups. The Bond Strength variable was evaluated between the groups and solutions by means of the Factor Variance Analysis for repeated measurements. However, the variable size of the bacterial halo was submitted to Kruskall - Wallis non - parametric test, both with a significance level of 95%. The qualitative variability of fractures was evaluated through descriptive statistical analysis. The concentrations of CHX with 0.5 and 1% contributed to the increase of bond strength values and the Clearfil SE Bond system had the highest mean values in the microshear bond strength test. The AdheSE Bond adhesive system presents the best results without antibacterial testing with S.mutans.A clorexidina nos últimos anos tem sido utilizada na Odontologia para melhoria da camada híbrida e consequentemente maior durabilidade das restaurações estéticas diretas. Assim, o objetivo deste trabalho foi avaliar in vitro o efeito da clorexidina (CHX) nas interfaces adesivas, por meio do teste de microcisalhamento e da atividade antibacteriana da CHX incorporada a diferentes sistemas adesivos, após 24 horas e 30 dias de imersão em solução de água destilada. Foram selecionadas 150 coroas de incisivos bovinos divididas em três grupos: G1: sistema adesivo Single Bond Plus; G2: sistema adesivo Clearfil SE Bond; G3: sistema adesivo AdheSE Primer e Bond. Todos os grupos foram subdivididos de acordo com a concentração de CHX (n=5): sem CHX, com CHX previamente ao adesivo e incorporado com CHX a 0,5%, 1,0% e 2,0%. O teste de microcisalhamento foi realizado com metade dos corpos de prova (CP) após 24 horas e com a outra metade após 30 dias. Posteriormente também foram avaliados os modos de fratura. Testes antibacterianos de difusão em ágar com Streptococcus mutans foram realizados aos grupos com CHX. A variável Resistência de União foi avaliada por meio da Análise da Variância fatorial para medidas repetidas. Já a variável tamanho do halo bacteriano foi submetida ao teste não paramétrico de Kruskall – Wallis, ambos com nível de significância de 5%. A variável qualitativa de padrão de fraturas foi avaliada por meio de análise estatística descritiva. Assim pode-se concluir que as concentrações de CHX com 0,5 e 1%, valor de p > 0,05, contribuíram para o aumento dos valores de resistência de união e o sistema adesivo Clearfil SE Bond teve as maiores médias no teste de microcisalhamento. O sistema adesivo AdheSE Bond apresentou os melhores resultados no teste antibacteriano com S.mutans.Submitted by Rosangela Silva (rosangela.silva3@unioeste.br) on 2018-05-28T19:35:21Z No. of bitstreams: 2 Bruna Caroline de Oliveira Lima.pdf: 4552147 bytes, checksum: ed63b8fd6c3f7a7605c22fc5b4d9e51d (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)Made available in DSpace on 2018-05-28T19:35:21Z (GMT). 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dc.title.por.fl_str_mv Ação da clorexidina na resistência de união e na atividade antibacteriana de diferentes sistemas adesivos: estudo in vitro
dc.title.alternative.eng.fl_str_mv Action of chlorhexidine on the bond strength and on antibacterial activity of different adhesive systems: in vitro study
title Ação da clorexidina na resistência de união e na atividade antibacteriana de diferentes sistemas adesivos: estudo in vitro
spellingShingle Ação da clorexidina na resistência de união e na atividade antibacteriana de diferentes sistemas adesivos: estudo in vitro
Lima, Bruna Caroline de Oliveira
Clorexidina
Adesivo dentinário
Resistência de união
Streptococcus mutans
Chlorhexidine
Dentin adhesive
Bond strength
CIENCIAS DA SAUDE::ODONTOLOGIA
title_short Ação da clorexidina na resistência de união e na atividade antibacteriana de diferentes sistemas adesivos: estudo in vitro
title_full Ação da clorexidina na resistência de união e na atividade antibacteriana de diferentes sistemas adesivos: estudo in vitro
title_fullStr Ação da clorexidina na resistência de união e na atividade antibacteriana de diferentes sistemas adesivos: estudo in vitro
title_full_unstemmed Ação da clorexidina na resistência de união e na atividade antibacteriana de diferentes sistemas adesivos: estudo in vitro
title_sort Ação da clorexidina na resistência de união e na atividade antibacteriana de diferentes sistemas adesivos: estudo in vitro
author Lima, Bruna Caroline de Oliveira
author_facet Lima, Bruna Caroline de Oliveira
author_role author
dc.contributor.advisor1.fl_str_mv Camilotti, Veridiana
dc.contributor.advisor1Lattes.fl_str_mv http://lattes.cnpq.br/9340494276264996
dc.contributor.referee1.fl_str_mv Menolli, Rafael Andrade
dc.contributor.referee1Lattes.fl_str_mv http://lattes.cnpq.br/2119646769798898
dc.contributor.referee2.fl_str_mv Pini, Núbia Inocencya Pavesi
dc.contributor.referee2Lattes.fl_str_mv http://lattes.cnpq.br/0798226450922503
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/6928316260018785
dc.contributor.author.fl_str_mv Lima, Bruna Caroline de Oliveira
contributor_str_mv Camilotti, Veridiana
Menolli, Rafael Andrade
Pini, Núbia Inocencya Pavesi
dc.subject.por.fl_str_mv Clorexidina
Adesivo dentinário
Resistência de união
Streptococcus mutans
topic Clorexidina
Adesivo dentinário
Resistência de união
Streptococcus mutans
Chlorhexidine
Dentin adhesive
Bond strength
CIENCIAS DA SAUDE::ODONTOLOGIA
dc.subject.eng.fl_str_mv Chlorhexidine
Dentin adhesive
Bond strength
dc.subject.cnpq.fl_str_mv CIENCIAS DA SAUDE::ODONTOLOGIA
description Chlorhexidine in recent years has been used in dentistry for the improvement of the hybrid layer and consequently greater durability of direct aesthetic restorations. Thus, the objective of this work can be applied in vitro or the effect of chlorhexidine (CHX) on the adhesive interfaces, through the microshear bond strength test and the antibacterial activity of CHX incorporated to different adhesive systems, after 24 hours and 30 days of immersion in solution distilled water. We selected 150 crowns of bovine incisors divided into three groups: G1: Single Bond Plus adhesive system; G2: Clearfil SE Bond adhesive system; G3: adhesive system AdheSE Primer and Bond. All groups were subdivided according to the incorporation of CHX (n = 5): no CHX, with CHX prior to incorporated with 0.5%, 1.0% and 2.0% CHX. The micro-shear test was performed with half the CP after 24 hours and with another medium for 30 days. Later, the fracture modes were also found. Antibacterial diffusion tests on agar with Streptococcus mutans were performed with the same groups and subgroups. The Bond Strength variable was evaluated between the groups and solutions by means of the Factor Variance Analysis for repeated measurements. However, the variable size of the bacterial halo was submitted to Kruskall - Wallis non - parametric test, both with a significance level of 95%. The qualitative variability of fractures was evaluated through descriptive statistical analysis. The concentrations of CHX with 0.5 and 1% contributed to the increase of bond strength values and the Clearfil SE Bond system had the highest mean values in the microshear bond strength test. The AdheSE Bond adhesive system presents the best results without antibacterial testing with S.mutans.
publishDate 2017
dc.date.issued.fl_str_mv 2017-02-10
dc.date.accessioned.fl_str_mv 2018-05-28T19:35:21Z
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dc.identifier.citation.fl_str_mv LIMA, Bruna Caroline de Oliveira. Ação da clorexidina na resistência de união e na atividade antibacteriana de diferentes sistemas adesivos: estudo in vitro. 2017. 38 f. Dissertação ( Mestrado em Odontologia) - Universidade Estadual do Oeste do Paraná, Cascavel, 2017.
dc.identifier.uri.fl_str_mv http://tede.unioeste.br/handle/tede/3713
identifier_str_mv LIMA, Bruna Caroline de Oliveira. Ação da clorexidina na resistência de união e na atividade antibacteriana de diferentes sistemas adesivos: estudo in vitro. 2017. 38 f. Dissertação ( Mestrado em Odontologia) - Universidade Estadual do Oeste do Paraná, Cascavel, 2017.
url http://tede.unioeste.br/handle/tede/3713
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Cascavel
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dc.publisher.department.fl_str_mv Centro de Ciências Biológicas e da Saúde
publisher.none.fl_str_mv Universidade Estadual do Oeste do Paraná
Cascavel
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