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Effect of resin composites with sodium trimetaphosphate with or without fluoride on hardness, ion release and enamel demineralization

dc.contributor.authorTiveron, Adelisa Rodolfo Ferreira [UNESP]
dc.contributor.authorDelbem, Alberto Carlos Botazzo [UNESP]
dc.contributor.authorGaban, Gabriel [UNESP]
dc.contributor.authorTakebayashisassaki, Kikue [UNESP]
dc.contributor.authorPedrini, Denise [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.date.accessioned2022-04-29T07:12:40Z
dc.date.available2022-04-29T07:12:40Z
dc.date.issued2013-08-01
dc.description.abstractPurpose: To evaluate the effect of the addition of sodium trimetaphosphate (TMP) with or without fluoride on enamel demineralization, and the hardness and release of fluoride and TMP of resin composites. Methods: Bovine enamel slabs (4x3x3 mm) were prepared and selected based on initial surface hardness (n= 96). Eight experimental resin composites were formulated, according to the combination of TMP and sodium fluoride (NaF): TMP/NaF-free (control), 1.6% sodium fluoride (NaF), and 1.5%, 14.1% and 36.8% TMP with and without 1.6% NaF. Resin composite specimens (n= 24) were attached to the enamel slabs with wax and the sets were subjected to pH cycling. Next, surface and crosssectional hardness and fluoride content of enamel as well as fluoride and TMP release and hardness of the materials were evaluated. Data were statistically analyzed using ANOVA (P< 0.05). Results: The presence of fluoride in enamel was similar in fluoridated resin composites (P> 0.05), but higher than in the other materials (P< 0.05). The combination of 14.1% TMP and fluoride resulted in less demineralization, especially on lesion surface (P<0.05). The presence of TMP increased fluoride release from the materials and reduced their hardness.en
dc.description.affiliationIntegrated Clinic Discipline Faculty of Dentistry of the Aracatuba Campus UNESP, Rua José Bonifácio 1193, CEP: 16015-050, Araçatuba, SP
dc.description.affiliationUnespIntegrated Clinic Discipline Faculty of Dentistry of the Aracatuba Campus UNESP, Rua José Bonifácio 1193, CEP: 16015-050, Araçatuba, SP
dc.format.extent201-206
dc.identifier.citationAmerican Journal of Dentistry, v. 26, n. 4, p. 201-206, 2013.
dc.identifier.issn0894-8275
dc.identifier.scopus2-s2.0-84887849445
dc.identifier.urihttp://hdl.handle.net/11449/227311
dc.language.isoeng
dc.relation.ispartofAmerican Journal of Dentistry
dc.sourceScopus
dc.titleEffect of resin composites with sodium trimetaphosphate with or without fluoride on hardness, ion release and enamel demineralizationen
dc.typeArtigopt
dspace.entity.typePublication
relation.isOrgUnitOfPublication8b3335a4-1163-438a-a0e2-921a46e0380d
relation.isOrgUnitOfPublication.latestForDiscovery8b3335a4-1163-438a-a0e2-921a46e0380d
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Odontologia, Araçatubapt
unesp.departmentCirurgia e Clínica Integrada - FOApt

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