Reparability of two different CAD/CAM polymer materials using a light-cured composite and universal adhesives

Detalhes bibliográficos
Autor(a) principal: Rosca, Bianca Andrada
Data de Publicação: 2016
Tipo de documento: Dissertação
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10451/26099
Resumo: Tese de mestrado, Medicina Dentária, Universidade de Lisboa, Faculdade de Medicina Dentária, 2016
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spelling Reparability of two different CAD/CAM polymer materials using a light-cured composite and universal adhesivesMateriais dentáriosAdesivos dentáriosTeses de mestrado - 2016Domínio/Área Científica::Ciências Médicas::Medicina ClínicaTese de mestrado, Medicina Dentária, Universidade de Lisboa, Faculdade de Medicina Dentária, 2016Objective: The aim of the present study was to evaluate the reparability of two different CAD/CAM polymer materials, polymethyl methacrylate (PMMA) and polyoxymethylene (POM) by assessing the shear bond strength (SBS) of a light-cured composite, using four different adhesive systems. Materials and Methods: Eighty blocks of PMMA and eighty blocks of POM, with 7 mm of diameter and 4 mm height, were milled by the manufacturer. The top surface of all specimens was abraded with 50 μm Al2O3 and after, ultrasonically cleaned in an ethanol ultrasonic bath for 5 minutes. The 80 specimens of each material were randomly allocated to four experimental groups (n=20) according to the different adhesive system used: OptiBond™ XTR (KerrTM, Italia) Futurabond® M+ (VOCO GmbH, Germany), ScotchbondTM Universal (3M ESPE, Germany) or OptiBond™ Solo Plus (KerrTM, Italia). The bonding area was customized using a perforated adhesive tape with round-shaped orifices (3 mm diameter) and each adhesive was applied according to the manufacturer´s recommendations. The repairing composite resin Grandio®SO (VOCO GmbH, Germany), was applied according the manufacturer’s instructions, and polymerized during 10 seconds (1000 mW/cm2). Specimens were stored in distilled water at 37 °C for 48 hours before the SBS was tested and failure modes were assessed. Results: The mean SBS yielded with PMMA specimens was significantly higher than with POM. There were no statistical differences between adhesive systems. No cohesive failure was obtained, with the POM specimens having mostly adhesive failures, in contrast with the PMMA with mostly mixed failures and no significant difference was identified between adhesives. Conclusion: It is possible to achieve an adequate adhesion bond to POM and PMMA. SBS values were higher in PMMA specimens than to POM but no differences were found between adhesive systems.Portugal, Jaime, 1969-Pequeno, AnaRepositório da Universidade de LisboaRosca, Bianca Andrada2017-01-20T17:38:42Z201620162016-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisapplication/pdfhttp://hdl.handle.net/10451/26099TID:201291738enginfo: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:RCAAP2023-11-08T16:15:57Zoai:repositorio.ul.pt:10451/26099Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T21:42:49.729164Repositório 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 Reparability of two different CAD/CAM polymer materials using a light-cured composite and universal adhesives
title Reparability of two different CAD/CAM polymer materials using a light-cured composite and universal adhesives
spellingShingle Reparability of two different CAD/CAM polymer materials using a light-cured composite and universal adhesives
Rosca, Bianca Andrada
Materiais dentários
Adesivos dentários
Teses de mestrado - 2016
Domínio/Área Científica::Ciências Médicas::Medicina Clínica
title_short Reparability of two different CAD/CAM polymer materials using a light-cured composite and universal adhesives
title_full Reparability of two different CAD/CAM polymer materials using a light-cured composite and universal adhesives
title_fullStr Reparability of two different CAD/CAM polymer materials using a light-cured composite and universal adhesives
title_full_unstemmed Reparability of two different CAD/CAM polymer materials using a light-cured composite and universal adhesives
title_sort Reparability of two different CAD/CAM polymer materials using a light-cured composite and universal adhesives
author Rosca, Bianca Andrada
author_facet Rosca, Bianca Andrada
author_role author
dc.contributor.none.fl_str_mv Portugal, Jaime, 1969-
Pequeno, Ana
Repositório da Universidade de Lisboa
dc.contributor.author.fl_str_mv Rosca, Bianca Andrada
dc.subject.por.fl_str_mv Materiais dentários
Adesivos dentários
Teses de mestrado - 2016
Domínio/Área Científica::Ciências Médicas::Medicina Clínica
topic Materiais dentários
Adesivos dentários
Teses de mestrado - 2016
Domínio/Área Científica::Ciências Médicas::Medicina Clínica
description Tese de mestrado, Medicina Dentária, Universidade de Lisboa, Faculdade de Medicina Dentária, 2016
publishDate 2016
dc.date.none.fl_str_mv 2016
2016
2016-01-01T00:00:00Z
2017-01-20T17:38:42Z
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/10451/26099
TID:201291738
url http://hdl.handle.net/10451/26099
identifier_str_mv TID:201291738
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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