In vitro evaluation of the microhardness of bovine enamel exposed to acid solutions after bleaching

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dc.contributor.authorZanet, Caio Gorgulho
dc.contributor.authorFava, Marcelo [UNESP]
dc.contributor.authorCesar Alves, Levy Anderson [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionIbirapuera Univ UNIB
dc.date.accessioned2014-05-20T15:33:07Z
dc.date.available2014-05-20T15:33:07Z
dc.date.issued2011-11-01
dc.description.abstractAcid erosion is a superficial loss of enamel caused by chemical processes that do not involve bacteria. Intrinsic and extrinsic factors, such as the presence of acid substances in the oral cavity, may cause a pH reduction, thus potentially increasing acid erosion. The aim of this study was to evaluate the microhardness of bleached and unbleached bovine enamel after immersion in a soda beverage, artificial powder juice and hydrochloric acid. The results obtained for the variables of exposure time, acid solution and substrate condition (bleached or unbleached enamel) were statistically analyzed by the ANOVA and Tukey tests. It was concluded that a decrease in microhardness renders dental structures more susceptible to erosion and mineral loss, and that teeth left unbleached show higher values of microhardness compared to bleached teeth.en
dc.description.affiliationState Univ São Paulo UNESP, Sch Dent Sao Jose dos Campos, Dept Orthodont & Pediat Dent, Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationIbirapuera Univ UNIB, Dept Prosthodont, Coll Dent, São Paulo, Brazil
dc.description.affiliationIbirapuera Univ UNIB, Integrated Clin, Coll Dent, São Paulo, Brazil
dc.description.affiliationUnespState Univ São Paulo UNESP, Sch Dent Sao Jose dos Campos, Dept Orthodont & Pediat Dent, Sao Jose Dos Campos, SP, Brazil
dc.format.extent562-567
dc.identifierhttp://dx.doi.org/10.1590/S1806-83242011000600015
dc.identifier.citationBrazilian Oral Research. São Paulo: Sociedade Brasileira de Pesquisa Odontologica, v. 25, n. 6, p. 562-567, 2011.
dc.identifier.fileS1806-83242011000600015.pdf
dc.identifier.issn1806-8324
dc.identifier.scieloS1806-83242011000600015
dc.identifier.urihttp://hdl.handle.net/11449/41833
dc.identifier.wosWOS:000311862200015
dc.language.isoeng
dc.publisherSociedade Brasileira de Pesquisa Odontológica (SBPqO)
dc.relation.ispartofBrazilian Oral Research
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectDental Enamelen
dc.subjectTooth Erosionen
dc.subjectTooth Bleachingen
dc.titleIn vitro evaluation of the microhardness of bovine enamel exposed to acid solutions after bleachingen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/bor/paboutj.htm
dcterms.rightsHolderSociedade Brasileira de Pesquisa Odontologica
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Ciência e Tecnologia, São José dos Campospt

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Artigos - Odontologia Social e Clínica Infantil - ICT