The effect of an additional layer of adhesive in dentin bond strength of a universal adhesive system in self-etch mode

Detalhes bibliográficos
Autor(a) principal: Dias, Madalena de Quinhones Levy Rosa
Data de Publicação: 2014
Tipo de documento: Dissertação
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10451/25476
Resumo: Tese de mestrado, Medicina Dentária, Universidade de Lisboa, Faculdade de Medicina Dentária, 2014
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spelling The effect of an additional layer of adhesive in dentin bond strength of a universal adhesive system in self-etch modeMateriais dentários - adesivosTeses de mestrado - 2014Domínio/Área Científica::Ciências Médicas::Medicina ClínicaTese de mestrado, Medicina Dentária, Universidade de Lisboa, Faculdade de Medicina Dentária, 2014A new generation of one-bottle self-etch dental adhesives is currently being used. The literature refers to them as universal or multi-mode adhesives. Universal adhesives are indicated as either self-etching or etch-and-rinse adhesives. Some clinical studies and laboratory evaluations have been performed, in fact, demonstrating that some universal adhesives may perform at the same level of previous adhesives. Purpose: To evaluate the effect of an additional hydrophobic resin layer (Adper Scotchbond Multipurpose) on the resin-dentin bond strength (_TBS), of the universal adhesive Scotchbond Universal used in a self-etch mode compared to the manufacturer’s instructions. Materials and Methods: A total of six extracted human teeth (n=6) were randomly distributed between two groups for bond strength testing, according to the different adhesive strategy used: Scotchbond Universal applied as a one-step self-etch adhesive as per manufacturer’s instructions (SBU SE D) and Scotchbond Universal applied as a one-step self-etch adhesive followed by one layer of the hydrophobic resin Adper Scotchbond Multipurpose. After composite restoration, specimens composed of sticks with 1mm2 were stored in distilled water (37ºC/24h) and then tested at 1mm/min using micro-tensile tests (_TBS) to assess dentin bond strength. Failure modes were analyzed under a stereomicroscope. Data were analyzed with a parametric pairedsample t-test since the assumptions of normality were valid. Results: For dentin, the use of a hydrophobic resin layer (SBU+A SE D) resulted in a statistically significantly higher mean μTBS value (38,59 ± 22,21 MPa) than the SBU SE D group (27,66 ± 13,22 MPa), (p<0,05) with a 95% confidence interval. Conclusions: Within the limitations of this in vitro study, it can be concluded that the use of a hydrophobic resin layer may be beneficial to the resin-dentin bond strength when applied to dentin with the self-etch mode. Keywords: universal adhesives; self-etch; hydrophobic resin coat; micro-tensile bond strength.Cavalheiro, AlexandreSilva, Ana LuísaRepositório da Universidade de LisboaDias, Madalena de Quinhones Levy Rosa2016-12-28T16:07:27Z201420142014-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisapplication/pdfhttp://hdl.handle.net/10451/25476TID:201269120enginfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-11-08T16:14:40Zoai:repositorio.ul.pt:10451/25476Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T21:42:14.316738Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv The effect of an additional layer of adhesive in dentin bond strength of a universal adhesive system in self-etch mode
title The effect of an additional layer of adhesive in dentin bond strength of a universal adhesive system in self-etch mode
spellingShingle The effect of an additional layer of adhesive in dentin bond strength of a universal adhesive system in self-etch mode
Dias, Madalena de Quinhones Levy Rosa
Materiais dentários - adesivos
Teses de mestrado - 2014
Domínio/Área Científica::Ciências Médicas::Medicina Clínica
title_short The effect of an additional layer of adhesive in dentin bond strength of a universal adhesive system in self-etch mode
title_full The effect of an additional layer of adhesive in dentin bond strength of a universal adhesive system in self-etch mode
title_fullStr The effect of an additional layer of adhesive in dentin bond strength of a universal adhesive system in self-etch mode
title_full_unstemmed The effect of an additional layer of adhesive in dentin bond strength of a universal adhesive system in self-etch mode
title_sort The effect of an additional layer of adhesive in dentin bond strength of a universal adhesive system in self-etch mode
author Dias, Madalena de Quinhones Levy Rosa
author_facet Dias, Madalena de Quinhones Levy Rosa
author_role author
dc.contributor.none.fl_str_mv Cavalheiro, Alexandre
Silva, Ana Luísa
Repositório da Universidade de Lisboa
dc.contributor.author.fl_str_mv Dias, Madalena de Quinhones Levy Rosa
dc.subject.por.fl_str_mv Materiais dentários - adesivos
Teses de mestrado - 2014
Domínio/Área Científica::Ciências Médicas::Medicina Clínica
topic Materiais dentários - adesivos
Teses de mestrado - 2014
Domínio/Área Científica::Ciências Médicas::Medicina Clínica
description Tese de mestrado, Medicina Dentária, Universidade de Lisboa, Faculdade de Medicina Dentária, 2014
publishDate 2014
dc.date.none.fl_str_mv 2014
2014
2014-01-01T00:00:00Z
2016-12-28T16:07:27Z
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 http://hdl.handle.net/10451/25476
TID:201269120
url http://hdl.handle.net/10451/25476
identifier_str_mv TID:201269120
dc.language.iso.fl_str_mv eng
language eng
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 Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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