Polishing the bonding surface, before or after crystallization, does not alter the fatigue behavior of bonded CAD-CAM lithium disilicate

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Autor(es): dc.contributorUniversidade Federal de Sergipe (UFS)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorPilecco, Rafaela Oliveira-
Autor(es): dc.creatorZucuni, Camila Pauleski-
Autor(es): dc.creatorCarvalho, Ana Beatriz Gomes de-
Autor(es): dc.creatorSaavedra, Guilherme de Siqueira Ferreira Anzaloni-
Autor(es): dc.creatorMarinho, Renata Marques de Melo-
Autor(es): dc.creatorPereira, Gabriel Kalil Rocha-
Autor(es): dc.creatorValandro, Luiz Felipe-
Data de aceite: dc.date.accessioned2025-08-21T19:33:23Z-
Data de disponibilização: dc.date.available2025-08-21T19:33:23Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-06-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.jmbbm.2023.105794-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/247122-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/247122-
Descrição: dc.descriptionThe aim of this study was to assess if the finishing/polishing of the bonding surface of lithium disilicate ceramic, prior to or after crystallization, would affect the fatigue behavior of a bonded restorations. For this, lithium disilicate ceramic (IPS e.max CAD) discs (n = 15) were milled and randomly divided into 3 groups: CAD-CAM group which remained untouched; PRE group which received a finishing/polishing protocol (OptraFine system) prior to its crystallization; and POST group, which received the treatment after its crystallization. After surface treatments, ceramic and glass-fiber reinforced epoxy resin discs were paired and bonded using a resin cement (Multilink N). A cyclical fatigue test was conducted (frequency 20 Hz, initial load 200 N for 5000 cycles, step-size of 100 N for 10,000 cycles/step) until failure occurrence. Surface roughness and topography were analyzed. An initial descriptive analysis of surface roughness, FFL and CFF was performed to obtain the mean, standard deviation and confidence interval values (SPSS v. 21, SPSS Inc.) for statistical analysis. Roughness data was using one-way ANOVA with Tukey's post hoc test (α = 0.05), while the fatigue data was submitted to survival analysis with Kaplan-Meier test (α = 0.05) and Weibull modulus (Weibull++, Reliasoft). Neither the finishing/polishing procedure of the bonding surface, nor the moment (prior to or after crystallization), affected the fatigue behavior of bonded milled lithium disilicate. There were also no differences for mechanical reliability among conditions. Despite this, finishing/polishing reduced surface roughness and led to smoother topography. Finishing/polishing the bonding surface of milled lithium disilicate, before or after crystallization, does not alter the fatigue behavior of the bonded restorative set, although there is some influence on roughness and topography.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionFaculty of Dentistry Federal University of Santa Maria (UFSM), Rio Grande do Sul State-
Descrição: dc.descriptionDepartment of Dental Materials and Prosthodontics Institute of Science and Technology São Paulo State University (UNESP), São Paulo-
Descrição: dc.descriptionDepartment of Dental Materials and Prosthodontics Institute of Science and Technology São Paulo State University (UNESP), São Paulo-
Descrição: dc.descriptionCNPq: #140118/2022–5-
Descrição: dc.descriptionCAPES: 001-
Idioma: dc.languageen-
Relação: dc.relationJournal of the Mechanical Behavior of Biomedical Materials-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectAdhesion-
Palavras-chave: dc.subjectDental ceramics-
Palavras-chave: dc.subjectFatigue-
Palavras-chave: dc.subjectFractography-
Palavras-chave: dc.subjectProcessing method-
Título: dc.titlePolishing the bonding surface, before or after crystallization, does not alter the fatigue behavior of bonded CAD-CAM lithium disilicate-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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