Effect of antioxidant agents on bond strength of composite to bleached enamel with 38% hydrogen peroxide

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dc.contributor.authorSilva, Juliane Marcela Guimaraes da [UNESP]
dc.contributor.authorBotta, Ana Carolina [UNESP]
dc.contributor.authorBarcellos, Daphne Câmara [UNESP]
dc.contributor.authorPagani, Clovis [UNESP]
dc.contributor.authorTorres, Carlos Rocha Gomes [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T14:05:14Z
dc.date.available2014-05-20T14:05:14Z
dc.date.issued2011-01-01
dc.description.abstractThis study evaluated the effect of antioxidant agents on microtensile bond strengths (mTBS) of composite to bleached enamel. Fifteen freshly extracted human third molars were selected and randomly assigned to 6 groups (n = 5): (NB) enamel not bleached, (B) bleached enamel, (BR7) bleached enamel and restored 7 days later, (BSA) bleached enamel+sodium ascorbate, (BMC) bleached enamel+malvidin chloride, (BPC) bleached enamel+pelargonidin chloride. The groups were bleached with 38% hydrogen peroxide (HP - Opalescence Xtra Boost) and restored with Single Bond+Filtek Z350. The specimens were thermocycled and submitted to a microtensile load at 1 mm/min crosshead speed. The data were evaluated by ANOVA and Tukey test at 5% of significance. The mean and standard-deviation for all groups were: NB: 30.95(±11.97)a; BSA: 30.34(±8.73)a, BPC: 22.81(6.00)b, BR7: 21.41(±6.12)b, B: 14.10(±4.45)c, BMC: 13.25(±6.02)c. Sodium ascorbate reversed the bond strengths to enamel immediately after bleaching.en
dc.description.affiliationUNESP São José dos Campos School of Dentistry
dc.description.affiliationUnespUNESP São José dos Campos School of Dentistry
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent235-238
dc.identifierhttp://dx.doi.org/10.1590/S1516-14392011005000031
dc.identifier.citationMaterials Research. ABM, ABC, ABPol, v. 14, n. 2, p. 235-238, 2011.
dc.identifier.doi10.1590/S1516-14392011005000031
dc.identifier.fileS1516-14392011000200016.pdf
dc.identifier.issn1516-1439
dc.identifier.lattes5130377144315365
dc.identifier.lattes3135367849609938
dc.identifier.orcid0000-0002-1074-5319
dc.identifier.scieloS1516-14392011000200016
dc.identifier.urihttp://hdl.handle.net/11449/22892
dc.identifier.wosWOS:000292723200016
dc.language.isoeng
dc.publisherABM, ABC, ABPol
dc.relation.ispartofMaterials Research
dc.relation.ispartofjcr1.103
dc.relation.ispartofsjr0,398
dc.rights.accessRightsAcesso aberto
dc.sourceSciELO
dc.subjectdental bleachingen
dc.subjectantioxidant agentsen
dc.subjectenamelen
dc.subjectmicrotensile bond strengthen
dc.titleEffect of antioxidant agents on bond strength of composite to bleached enamel with 38% hydrogen peroxideen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/mr/paboutj.htm
unesp.author.lattes3135367849609938[5]
unesp.author.lattes5130377144315365[4]
unesp.author.orcid0000-0002-9485-5514[5]
unesp.author.orcid0000-0002-1074-5319[4]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Ciência e Tecnologia, São José dos Campospt

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Artigos - Odontologia Restauradora - ICT