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Article: Reversal of compromised bonding in bleached enamel

TitleReversal of compromised bonding in bleached enamel
Authors
Issue Date2002
PublisherSage Publications, Inc.. The Journal's web site is located at http://www.sagepub.com/journalsProdDesc.nav?prodId=Journal201925
Citation
Journal Of Dental Research, 2002, v. 81 n. 7, p. 477-481 How to Cite?
AbstractOxygen inhibits polymerization of resin-based materials. We hypothesized that compromised bonding to bleached enamel can be reversed with sodium ascorbate, an anti-oxidant. Sandblasted human enamel specimens were treated with distilled water (control) and 10% carbamide peroxide gel with or without further treatment with 10% sodium ascorbate. They were bonded with Single Bond (3M-ESPE) or Prime&Bond NT (Dentsply DeTrey) and restored with a composite. Specimens were prepared for microtensile bond testing and transmission electron microscopy after immersion in ammoniacal silver nitrate for nanoleakage evaluation. Bond strengths of both adhesives were reduced after bleaching but were reversed following sodium ascorbate treatment (P < 0.001). Resin-enamel interfaces in bleached enamel exhibited more extensive nanoleakage in the form of isolated silver grains and bubble-like silver deposits. Reduction of resin-enamel bond strength in bleached etched enamel is likely to be caused by a delayed release of oxygen that affects the polymerization of resin components.
Persistent Identifierhttp://hdl.handle.net/10722/53288
ISSN
2015 Impact Factor: 4.602
2015 SCImago Journal Rankings: 1.714
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLai, SCNen_HK
dc.contributor.authorTay, FRen_HK
dc.contributor.authorCheung, GSPen_HK
dc.contributor.authorMak, YFen_HK
dc.contributor.authorCarvalho, RMen_HK
dc.contributor.authorWei, SHYen_HK
dc.contributor.authorToledano, Men_HK
dc.contributor.authorOsorio, Ren_HK
dc.contributor.authorPashley, DHen_HK
dc.date.accessioned2009-04-03T07:06:00Z-
dc.date.available2009-04-03T07:06:00Z-
dc.date.issued2002en_HK
dc.identifier.citationJournal Of Dental Research, 2002, v. 81 n. 7, p. 477-481en_HK
dc.identifier.issn0022-0345en_HK
dc.identifier.urihttp://hdl.handle.net/10722/53288-
dc.description.abstractOxygen inhibits polymerization of resin-based materials. We hypothesized that compromised bonding to bleached enamel can be reversed with sodium ascorbate, an anti-oxidant. Sandblasted human enamel specimens were treated with distilled water (control) and 10% carbamide peroxide gel with or without further treatment with 10% sodium ascorbate. They were bonded with Single Bond (3M-ESPE) or Prime&Bond NT (Dentsply DeTrey) and restored with a composite. Specimens were prepared for microtensile bond testing and transmission electron microscopy after immersion in ammoniacal silver nitrate for nanoleakage evaluation. Bond strengths of both adhesives were reduced after bleaching but were reversed following sodium ascorbate treatment (P < 0.001). Resin-enamel interfaces in bleached enamel exhibited more extensive nanoleakage in the form of isolated silver grains and bubble-like silver deposits. Reduction of resin-enamel bond strength in bleached etched enamel is likely to be caused by a delayed release of oxygen that affects the polymerization of resin components.en_HK
dc.languageengen_HK
dc.publisherSage Publications, Inc.. The Journal's web site is located at http://www.sagepub.com/journalsProdDesc.nav?prodId=Journal201925en_HK
dc.relation.ispartofJournal of Dental Researchen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subject.meshAcid Etching, Dentalen_HK
dc.subject.meshAnalysis of Varianceen_HK
dc.subject.meshAntioxidants - chemistryen_HK
dc.subject.meshAscorbic Acid - chemistryen_HK
dc.subject.meshBisphenol A-Glycidyl Methacrylate - chemistryen_HK
dc.subject.meshComposite Resins - chemistryen_HK
dc.subject.meshDental Bondingen_HK
dc.subject.meshDental Enamel - drug effects - ultrastructureen_HK
dc.subject.meshDental Leakage - classificationen_HK
dc.subject.meshDentin-Bonding Agents - chemistryen_HK
dc.subject.meshDrug Combinationsen_HK
dc.subject.meshHumansen_HK
dc.subject.meshMicroscopy, Electronen_HK
dc.subject.meshOxidants - pharmacologyen_HK
dc.subject.meshOxidation-Reductionen_HK
dc.subject.meshPeroxides - pharmacologyen_HK
dc.subject.meshPolymers - chemistryen_HK
dc.subject.meshPolymethacrylic Acids - chemistryen_HK
dc.subject.meshSilver - diagnostic useen_HK
dc.subject.meshSilver Stainingen_HK
dc.subject.meshStatistics as Topicen_HK
dc.subject.meshSurface Propertiesen_HK
dc.subject.meshTensile Strengthen_HK
dc.subject.meshTooth Bleachingen_HK
dc.subject.meshUrea - analogs & derivatives - pharmacologyen_HK
dc.titleReversal of compromised bonding in bleached enamelen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0022-0345&volume=81&issue=7&spage=477&epage=481&date=2002&atitle=Reversal+of+compromised+bonding+in+bleached+enamelen_HK
dc.identifier.emailCheung, GSP:spcheung@hkucc.hku.hken_HK
dc.identifier.authorityCheung, GSP=rp00016en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.pmid12161460-
dc.identifier.scopuseid_2-s2.0-0035983863en_HK
dc.identifier.hkuros68572-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035983863&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume81en_HK
dc.identifier.issue7en_HK
dc.identifier.spage477en_HK
dc.identifier.epage481en_HK
dc.identifier.isiWOS:000176582400009-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLai, SCN=7402937128en_HK
dc.identifier.scopusauthoridTay, FR=7102091962en_HK
dc.identifier.scopusauthoridCheung, GSP=7005809531en_HK
dc.identifier.scopusauthoridMak, YF=7006764503en_HK
dc.identifier.scopusauthoridCarvalho, RM=7103357029en_HK
dc.identifier.scopusauthoridWei, SHY=7401765260en_HK
dc.identifier.scopusauthoridToledano, M=7005372500en_HK
dc.identifier.scopusauthoridOsorio, R=35414886500en_HK
dc.identifier.scopusauthoridPashley, DH=35448600800en_HK

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