Effect of elapsed time following bleaching on the shear bond strength of composite resin to enamel

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dc.contributor.authorUnlu, Nimet
dc.contributor.authorCobankara, Funda Kont
dc.contributor.authorOzer, Fusun
dc.date.accessioned2020-03-26T17:26:41Z
dc.date.available2020-03-26T17:26:41Z
dc.date.issued2008
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThe purpose of this study was to investigate the effect of post-treatment time on the shear bond strength of composite resin to enamel after bleaching with 10% carbamide peroxide (CP) and 35% hydrogen peroxide (HP) bleaching systems. One hundred and thirty-five flattened labial enamel surfaces obtained from human mandibular incisors were divided into two bleaching groups of 10% CP (n = 60) and 35% HP (n = 60) and a control group In = 15). Specimens in the control group (group 1) were not bleached. Each bleaching group was then divided into four subgroups (n = 15). For both CP and HP groups, group 2 consisted of specimens bonded immediately after bleaching. In groups 3, 4, and 5, specimens were immersed in artificial saliva for 24 h, 1 week, or 2 weeks after bleaching, respectively. After the specimens were bonded with Clearfil SE Bond and Clearfil ST, they were tested in shear until failure. For both CP and HP groups, shear bond strength of composite resin to enamel that was bonded immediately after bleaching was significantly lower than that of unbleached enamel (p < 0.05). However, in CP group restored after 24 h, the bond strength returned to values close to those of nonbleached enamel (p > 0.05). It took 1 week to return to conditions that lead to control bond values for HP bleaching applications (P > 0.05). The results of this study proved that immediate bonding of composite to enamel bleached with 10% CP and 35% HP gels result in a significant decrease in shear bond strength. It is advisable that composite resin application onto bleached enamel surfaces should be delayed at least 24 h for 10% CP and 1 week for 35% HP. (C) 2007 Wiley Periodicals, Inc.en_US
dc.identifier.doi10.1002/jbm.b.30879en_US
dc.identifier.endpage368en_US
dc.identifier.issn1552-4973en_US
dc.identifier.issue2en_US
dc.identifier.pmid17626292en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage363en_US
dc.identifier.urihttps://dx.doi.org/10.1002/jbm.b.30879
dc.identifier.urihttps://hdl.handle.net/20.500.12395/22334
dc.identifier.volume84Ben_US
dc.identifier.wosWOS:000252472900007en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherWILEY-LISSen_US
dc.relation.ispartofJOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALSen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjecthome bleachingen_US
dc.subjectoffice bleachingen_US
dc.subjectshear bond strengthen_US
dc.titleEffect of elapsed time following bleaching on the shear bond strength of composite resin to enamelen_US
dc.typeArticleen_US

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