Bleaching gels containing calcium and fluoride: Effect on enamel erosion susceptibility

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dc.contributor.authorBorges, Alessandra B. [UNESP]
dc.contributor.authorTorres, Carlos R. G. [UNESP]
dc.contributor.authorDe Souza, Paulo A. B. [UNESP]
dc.contributor.authorCaneppele, Taciana M. F. [UNESP]
dc.contributor.authorSantos, Luciana F. T. F. [UNESP]
dc.contributor.authorMagalhães, Ana Carolina
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-27T11:27:25Z
dc.date.available2014-05-27T11:27:25Z
dc.date.issued2012-12-03
dc.description.abstractThis in vitro study evaluated the effect of 35 hydrogen peroxide (HP) bleaching gel modified or not by the addition of calcium and fluoride on enamel susceptibility to erosion. Bovine enamel samples (3 mm in diameter) were divided into four groups (n = 15) according to the bleaching agent: control-without bleaching (C); 35 hydrogen peroxide (HP); 35 HP with the addition of 2 calcium gluconate (HP + Ca); 35 HP with the addition of 0.6 sodium fluoride (HP + F). The bleaching gels were applied on the enamel surface for 40 min, and the specimens were subjected to erosive challenge with Sprite Zero and remineralization with artificial saliva for 5 days. Enamel wear was assessed using profilometry. The data were analyzed by ANOVA/ Tukey's test (P 0.05). There were significant differences among the groups (P = 0.009). The most enamel wear was seen for C (3.37 ± 0.80 μm), followed by HP (2.89 ± 0.98 μm) and HP + F (2.72 ± 0.64 μm). HP + Ca (2.31 ± 0.92 μm) was the only group able to significantly reduce enamel erosion compared to C. The application of HP bleaching agent did not increase the enamel susceptibility to erosion. However, the addition of calcium gluconate to the HP gel resulted in reduced susceptibility of the enamel to erosion. © 2012 Alessandra B. Borges et al.en
dc.description.affiliationDepartment of Restorative Dentistry School of Dentistry Universidade Estadual Paulista (UNESP), Av. Francisco José Longo, 777, 12245-000 São José dos Campos, SP
dc.description.affiliationDepartment of Biological Sciences Bauru School of Dentistry University of São Paulo (USP), Alameda Octavio Pinheiro Brisola, 9-75, 17012-901 Bauru, SP
dc.description.affiliationUnespDepartment of Restorative Dentistry School of Dentistry Universidade Estadual Paulista (UNESP), Av. Francisco José Longo, 777, 12245-000 São José dos Campos, SP
dc.identifierhttp://dx.doi.org/10.1155/2012/347848
dc.identifier.citationInternational Journal of Dentistry.
dc.identifier.doi10.1155/2012/347848
dc.identifier.file2-s2.0-84870156621.pdf
dc.identifier.issn1687-8728
dc.identifier.issn1687-8736
dc.identifier.scopus2-s2.0-84870156621
dc.identifier.urihttp://hdl.handle.net/11449/74042
dc.language.isoeng
dc.relation.ispartofInternational Journal of Dentistry
dc.relation.ispartofsjr0,649
dc.relation.ispartofsjr0,649
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.titleBleaching gels containing calcium and fluoride: Effect on enamel erosion susceptibilityen
dc.typeArtigo
dcterms.licensehttp://www.hindawi.com/journals/aaa/guidelines/
unesp.author.lattes3135367849609938[2]
unesp.author.orcid0000-0003-0521-7922[4]
unesp.author.orcid0000-0002-9485-5514[2]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Ciência e Tecnologia, São José dos Campospt

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Artigos - Odontologia Restauradora - ICT