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Strength of a feldspar ceramic according to the thickness and polymerization mode of the resin cement coating

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dc.contributor.authorSalazar Marocho, Susana Maria [UNESP]
dc.contributor.authorde Melo, Renata Marques [UNESP]
dc.contributor.authorScavone Macedo, Luis Guilherme [UNESP]
dc.contributor.authorValandro, Luiz Felipe
dc.contributor.authorBottino, Marco Antonio [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionDept Restorat Dent
dc.date.accessioned2014-05-20T14:05:09Z
dc.date.available2014-05-20T14:05:09Z
dc.date.issued2011-05-01
dc.description.abstractThe aim of this study was to evaluate, in vitro, the biaxial flexural strength (ISO 6872) of a feldspathic ceramic (VM7, Vita Zahnfabrik) coated with a resin cement with different thicknesses and polymerization mode. Control groups consisted in VM7 with and without acid etching with 10% hydrofluoric acid for 1 min. Experimental groups comprised VM7 etched, silanated and coated with Variolink (Ivoclar Vivadent) cement, that was polymerized through the porcelain in light-cure and dual-cure modes, with thickness <= 150 mu m or > 150 mu m. The specimens (n=15) were subjected to the biaxial flexural strength essay and analyzed fractographically. Parametric (Dunnet, Anova 2-way, Tukey) and non-parametric tests (Weibull) were used to evaluate results. Ceramic disks coated with resin cements of either activation modes and thicknesses exhibited higher flexural strength while the Weibull moduli did not present significant differences for a confidence interval of 95%.en
dc.description.affiliationSão Paulo State Univ UNESP, Prosthesis & Dent Mat Dept, BR-12245820 São Paulo, Brazil
dc.description.affiliationDept Restorat Dent, Sch Dent, BR-97015372 Santa Maria, SP, Brazil
dc.description.affiliationUnespSão Paulo State Univ UNESP, Prosthesis & Dent Mat Dept, BR-12245820 São Paulo, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipIdFAPESP: 09/51365-3
dc.format.extent323-329
dc.identifierhttp://dx.doi.org/10.4012/dmj.2010-123
dc.identifier.citationDental Materials Journal. Tokyo: Japanese Soc Dental Materials Devices, v. 30, n. 3, p. 323-329, 2011.
dc.identifier.doi10.4012/dmj.2010-123
dc.identifier.issn0287-4547
dc.identifier.lattes9234456003563666
dc.identifier.urihttp://hdl.handle.net/11449/22853
dc.identifier.wosWOS:000293801800010
dc.language.isoeng
dc.publisherJapanese Soc Dental Materials Devices
dc.relation.ispartofDental Materials Journal
dc.relation.ispartofjcr1.205
dc.relation.ispartofsjr0,568
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectDental porcelainen
dc.subjectResin cementen
dc.subjectFlexural strengthen
dc.subjectWeibull modulusen
dc.titleStrength of a feldspar ceramic according to the thickness and polymerization mode of the resin cement coatingen
dc.typeArtigo
dcterms.rightsHolderJapanese Soc Dental Materials Devices
dspace.entity.typePublication
unesp.author.lattes9234456003563666
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Ciência e Tecnologia, São José dos Campospt
unesp.departmentMateriais Odontológicos e Prótese - ICTpt

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São José dos Campos - ICT - Instituto de Ciência e Tecnologia