Effects of cement-curing mode and light-curing unit on the bond durability of ceramic cemented to dentin

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dc.contributor.authorPassos, Sheila Pestana
dc.contributor.authorSouza, Rodrigo Othávio Assunção
dc.contributor.authorMichida, Silvia Masae Araújo
dc.contributor.authorZamboni, Sandra Costa [UNESP]
dc.contributor.authorde Oliveira, Simone Helena Gonçalves [UNESP]
dc.contributor.institutionUniversity of Alberta
dc.contributor.institutionUniversidade Federal da Paraíba (UFPB)
dc.contributor.institutionFaculdade Ingá-Uningá
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:28:36Z
dc.date.available2014-05-27T11:28:36Z
dc.date.issued2013-03-01
dc.description.abstractThe aim of this study was to evaluate the effects of different light-curing units and resin cement curing types on the bond durability of a feldspathic ceramic bonded to dentin. The crowns of 40 human molars were sectioned, exposing the dentin. Forty ceramic blocks of VITA VM7 were produced according to the manufacturer's recommendations. The ceramic surface was etched with 10% hydrofluoric acid/60s and silanized. The dentin was treated with37% phosphoric acid/15s, and the adhesive was applied. The ceramic blocks were divided and cemented to dentin according to resin cement/RC curing type(dual-and photocured), light-curing unit (halogen light/QTH and LED), and storage conditions (dry and storage/150 days + 12,000 cycles/thermocycling). All blocks were stored in distilled water (37°C/24h) and sectioned (n = 10): G1-QTH + RC Photo, G2-QTH + RC Dual, G3-LED + RC Photo, G4-LED + RC Dual. Groups G5, G6, G7, and G8 were obtained exactly as G1 through G4, respectively, and then stored and thermocycled. Microtensile bond strength tests were performed (EMIC), and data were statistically analyzed by ANOVA and Tukey's test (5%). The bond strength values (MPa) were: G1-12.95 (6.40)ab; G2-12.02 (4.59)ab; G3-13.09 (5.62)ab; G4-15.96 (6.32)a; G5-6.22 (5.90)c; G6-9.48 (5.99)bc; G7-12.78 (11.30)ab; and G8-8.34 (5.98)bc. The same superscript letters indicate no significant differences. Different light-curing units affected the bond strength betweenceramic cemented to dentin when the photocured cement was used, and only after aging (LED>QTH). There was no difference between the effects of dual-and photo-cured resin-luting agents on the microtensile bond strength of the cement used in this study.en
dc.description.affiliationDepartment of Dentistry University of Alberta, Edmonton, AB
dc.description.affiliationDepartment of Restorative Dentistry Univ Federal da Paraíba-UFPB, João Pessoa, PB
dc.description.affiliationDepartment of Prosthodontics Faculdade Ingá-Uningá, Maringá, PR
dc.description.affiliationDepartment of Dental Materials and Prosthodontics School of Dentistry Univ Estadual Paulista-Unesp, São José dos Campos, SP
dc.description.affiliationDepartment of Bioscience and Oral Diagnosis School of Dentistry Univ Estadual Paulista-Unesp, São José dos Campos, SP
dc.description.affiliationUnespDepartment of Dental Materials and Prosthodontics School of Dentistry Univ Estadual Paulista-Unesp, São José dos Campos, SP
dc.description.affiliationUnespDepartment of Bioscience and Oral Diagnosis School of Dentistry Univ Estadual Paulista-Unesp, São José dos Campos, SP
dc.format.extent169-175
dc.identifierhttp://dx.doi.org/10.1590/S1806-83242013005000005
dc.identifier.citationBrazilian Oral Research, v. 27, n. 2, p. 169-175, 2013.
dc.identifier.doi10.1590/S1806-83242013005000005
dc.identifier.file2-s2.0-84878709294.pdf
dc.identifier.issn1806-8324
dc.identifier.issn1807-3107
dc.identifier.scieloS1806-83242013005000005
dc.identifier.scopus2-s2.0-84878709294
dc.identifier.urihttp://hdl.handle.net/11449/74746
dc.identifier.wosWOS:000315976900014
dc.language.isoeng
dc.relation.ispartofBrazilian Oral Research
dc.relation.ispartofjcr1.223
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectCeramics
dc.subjectDentin
dc.subjectResin Cements
dc.subjectdesensitizing agent
dc.subjectresin cement
dc.subjectwater
dc.subjectanalysis of variance
dc.subjectceramics
dc.subjectchemistry
dc.subjectdental bonding
dc.subjectdental curing light
dc.subjectdental surgery
dc.subjectdentin
dc.subjectdrug effect
dc.subjectevaluation
dc.subjecthuman
dc.subjectmaterials testing
dc.subjectmethodology
dc.subjectradiation exposure
dc.subjectsurface property
dc.subjecttensile strength
dc.subjecttime
dc.subjectAnalysis of Variance
dc.subjectCuring Lights, Dental
dc.subjectDental Bonding
dc.subjectDental Restoration Failure
dc.subjectDentin Desensitizing Agents
dc.subjectHumans
dc.subjectMaterials Testing
dc.subjectSurface Properties
dc.subjectTensile Strength
dc.subjectTime Factors
dc.subjectWater
dc.titleEffects of cement-curing mode and light-curing unit on the bond durability of ceramic cemented to dentinen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/bor/iaboutj.htm
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Ciência e Tecnologia, São José dos Campospt

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