Bond strength and Weibull analysis of fiber posts luted with different cement types and mechanically aged

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Autor(es): dc.contributorUniversidade Estadual de Campinas (UNICAMP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.contributorFederal University of Campina Grande (UFCG)-
Autor(es): dc.contributorUniversidade Federal da Paraíba (UFPB)-
Autor(es): dc.contributorUniversidade Federal de Sergipe (UFS)-
Autor(es): dc.contributorFederal University of Rio Grande do Norte (UFRN)-
Autor(es): dc.creatorLira dos Santos, Elis Janaina-
Autor(es): dc.creatorCampos, Fernanda [UNESP]-
Autor(es): dc.creatorDantas, Alana Moura Xavier-
Autor(es): dc.creatorLira, Maria Luiza Lima Alves-
Autor(es): dc.creatorWandsher, Vinícius Felipe-
Autor(es): dc.creatorSilva, Nathalia Ramos da-
Autor(es): dc.creatorValandro, Luiz Felipe-
Autor(es): dc.creatorSouza, Rodrigo Othávio de Assunção-
Data de aceite: dc.date.accessioned2022-02-22T00:47:14Z-
Data de disponibilização: dc.date.available2022-02-22T00:47:14Z-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2020-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1080/01694243.2021.1938473-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/206479-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/206479-
Descrição: dc.descriptionThis study aimed to evaluate the influence of cement type and mechanical cycling on the push-out bond strength (σ) of fiber posts luted to root canals. Eighty bovine single-root teeth were prepared and the roots were included with chemically cured acrylic resin. The specimens were allocated into 8 groups (n = 10) considering the factors ‘cement’ (glass ionomer cement–GIC, resin reinforced glass ionomer cement–RRGIC, conventional dual-cure resin cement–CRC, and self-adhesive resin cement–SARC) and ‘mechanical cycling’ (non-aged and aged–mc). The fiber posts and roots dentin were treated according to the cement type and luted to root canals. Composite-cores were made for the groups submitted to mechanical cycling (1,000,000 cycles, 84 N, 4 Hz). Each root were cut into 4 disk-samples of 1.8 mm (thickness) and submitted to push-out testing. Data (MPa) were analyzed using two-way ANOVA, Tukey test (5%), and Weibull analysis. ANOVA revealed that cement (p < 0.001) was significant; however, the mechanical cycling had no effect on bond strength (p = 0.895). The CRC (4.36 ± 1.15 MPa), CRCmc (4.13 ± 0.75 MPa), GIC (4.29 ± 2.14 MPa), and GICmc (4.04 ± 1.18 MPa) groups showed higher (σ) than RRGIC (2.36 ± 1.00 MPa). Weibull Characteristic strength of the CRC and CRCmc were significantly higher than RRGICmc, and RRGIC. The mixed type of failure was the most common. Conventional dual-cure resin cement and glass ionomer cement presented higher push-out bond strength to root dentin regardless of mechanical cycling.-
Descrição: dc.descriptionDepartment of Prosthodontics and Periodontics Piracicaba Dental School University of Campinas (FOP/UNICAMP)-
Descrição: dc.descriptionInstitute of Science and Technology São Paulo State University (UNESP/FOSJC)-
Descrição: dc.descriptionMaterials Engineering Academic Unit Technology and Sciences Center Federal University of Campina Grande (UFCG)-
Descrição: dc.descriptionDepartment of Dental Restorative Dentistry Federal University of Paraíba (UFPB)-
Descrição: dc.descriptionDivision of Prosthodontics Department of Dental Restorative Dentistry Federal University of Santa Maria (UFSM)-
Descrição: dc.descriptionDivision of Prosthodontics Department of Dentistry Federal University of Rio Grande do Norte (UFRN)-
Descrição: dc.descriptionInstitute of Science and Technology São Paulo State University (UNESP/FOSJC)-
Idioma: dc.languageen-
Relação: dc.relationJournal of Adhesion Science and Technology-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectbond strength-
Palavras-chave: dc.subjectcementation-
Palavras-chave: dc.subjectFiber post-
Palavras-chave: dc.subjectmechanical cycling-
Palavras-chave: dc.subjectroot dentine-
Título: dc.titleBond strength and Weibull analysis of fiber posts luted with different cement types and mechanically aged-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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