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The influence of time interval between bleaching and enamel bonding

dc.contributor.authorMachado, Jefferson da Silva [UNESP]
dc.contributor.authorMachado Candido, Maria Salete [UNESP]
dc.contributor.authorSundfeld, Renato Erman [UNESP]
dc.contributor.authorDe Alexandre, Rodrigo Sversut
dc.contributor.authorCardoso, Jader Duarte [UNESP]
dc.contributor.authorMarcal Mazza Sundefeld, Maria Lucia [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionPiracicaba Sch Dent
dc.date.accessioned2014-02-26T17:02:00Z
dc.date.accessioned2014-05-20T13:44:27Z
dc.date.available2014-02-26T17:02:00Z
dc.date.available2014-05-20T13:44:27Z
dc.date.issued2007-01-01
dc.description.abstractObjectives: the purpose of this study was to investigate the penetration of a conventional adhesive material into enamel bleached with 16% carbamide peroxide and 38% hydrogen peroxide using optical light microscopy.Methods: Extracted human teeth were randomly divided into eight experimental groups with six specimens each, according to the bleaching material and time interval after bleaching and before the bonding procedure. Groups were designated as follows: control group, restorations in unbleached teeth; restorations performed immediately after bleaching; restorations performed 7 days after bleaching; restorations performed 14 days after bleaching; and restorations performed 30 days after bleaching. The length of resin tags was measured with an Axiophot photomicroscope at 400x magnification for the calculation of the proportion of tags of study groups compared to the respective control groups. Analysis of variance was applied for comparison between groups; data were transformed into arcsine (p < 0.05).Results: the specimens of experimental groups, in which restorations were performed 7, 14, and 30 days after bleaching, showed better penetration of adhesive material into enamel than specimens restored immediately after bleaching. There was no statistically significant difference between the bleaching materials employed or in the interaction between bleaching agent and time interval.Conclusions: This suggests that a time interval of at least 7 days should be allowed between enamel bleaching and placement of adhesive bonding agents for accomplishment of composite resin restorations.en
dc.description.affiliationUniv Estadual Paulista, Aracatuba Dent Sch, Discipline Restorat Dent, BR-16015050 São Paulo, Brazil
dc.description.affiliationUniv Estadual Paulista, Araraquara Dent Sch, São Paulo, Brazil
dc.description.affiliationUniv Estadual Paulista, Araraquara Dent Sch, Discipline Restorat Dent, São Paulo, Brazil
dc.description.affiliationPiracicaba Sch Dent, Dept Restorat Dent, Piracicaba, Brazil
dc.description.affiliationUniv Estadual Paulista, Aracatuba Dent Sch, Discipline Biostat, São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Aracatuba Dent Sch, Discipline Restorat Dent, BR-16015050 São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Araraquara Dent Sch, São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Araraquara Dent Sch, Discipline Restorat Dent, São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Aracatuba Dent Sch, Discipline Biostat, São Paulo, Brazil
dc.format.extent111-118
dc.identifierhttp://dx.doi.org/10.1111/j.1708-8240.2007.00077.x
dc.identifier.citationJournal of Esthetic and Restorative Dentistry. Oxford: Blackwell Publishing, v. 19, n. 2, p. 111-118, 2007.
dc.identifier.doi10.1111/j.1708-8240.2007.00077.x
dc.identifier.issn1496-4155
dc.identifier.urihttp://hdl.handle.net/11449/15572
dc.identifier.wosWOS:000252263800011
dc.language.isoeng
dc.publisherBlackwell Publishing
dc.relation.ispartofJournal of Esthetic and Restorative Dentistry
dc.relation.ispartofjcr1.531
dc.relation.ispartofsjr0,753
dc.rights.accessRightsAcesso restritopt
dc.sourceWeb of Science
dc.titleThe influence of time interval between bleaching and enamel bondingen
dc.typeArtigopt
dcterms.licensehttp://olabout.wiley.com/WileyCDA/Section/id-406071.html
dcterms.rightsHolderBlackwell Publishing
dspace.entity.typePublication
relation.isDepartmentOfPublication901124bf-5736-4432-b057-7c29dec84b50
relation.isDepartmentOfPublication.latestForDiscovery901124bf-5736-4432-b057-7c29dec84b50
relation.isOrgUnitOfPublication8b3335a4-1163-438a-a0e2-921a46e0380d
relation.isOrgUnitOfPublicationca4c0298-cd82-48ee-a9c8-c97704bac2b0
relation.isOrgUnitOfPublication.latestForDiscovery8b3335a4-1163-438a-a0e2-921a46e0380d
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Odontologia, Araçatubapt
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Odontologia, Araraquarapt
unesp.departmentOdontologia Restauradora - FOApt
unesp.departmentOdontologia Restauradora - FOARpt

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