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Article: Effects of conditioners on microshear bond strength to enamel after carbamide peroxide bleaching and/or casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) treatment

TitleEffects of conditioners on microshear bond strength to enamel after carbamide peroxide bleaching and/or casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) treatment
Authors
KeywordsChemicals And Cas Registry Numbers
Issue Date2007
PublisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jdent
Citation
Journal Of Dentistry, 2007, v. 35 n. 11, p. 862-870 How to Cite?
AbstractObjectives: To evaluate (a) the enamel microshear bond strength (MSBS) of a universal adhesive and (b) the effects of conditioning with a self-etching primer adhesive with/without prior bleaching and/or casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) application. Methods: Thirty-five molars were cut into four sections, assigned randomly to four groups (no treatment; 16% carbamide peroxide bleaching; CPP-ACP-containing paste (Tooth Mousse, TM); bleaching and TM) and treated accordingly. Specimens were divided into two for bonding with either a self-etching primer (Clearfil SE Bond, CSE) or a total-etch adhesive (Single Bond, SB). Specimens for CSE bonding were subdivided for one of four preconditioning treatments (no conditioning; 30-40% phosphoric acid (PA); 15% EDTA; 20% polyacrylic acid conditioner (Cavity conditioner, CC) and treated. The adhesives were applied and resin composite bonded to the enamel using microtubes (internal diameter 0.75 mm). Bonds were stressed in shear until failure, mean MSBS calculated and data analysed using ANOVA with Tukey's HSD test (α = 0.05). The modes of bond failure were assessed and classified. Results: Two-way ANOVA revealed significant differences between treatments (P < 0.0001), conditioners (P < 0.0001) and a significant interaction between treatments and conditioners (P = 0.001). One-way ANOVA revealed no significant differences in MSBS following any of the treatments for SB; following TM application for CSE without preconditioning; and significant differences in MSBS following bleaching with and without TM application for CSE. With preconditioning, applying PA before CSE post-bleaching and either PA or CC before CSE post-TM application, resulted in significant differences in MSBS (P < 0.05). Conclusions: The use of conditioners prior to bonding with the self-etching primer adhesive system on treated enamel may significantly improve bond strengths. © 2007 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/90632
ISSN
2015 Impact Factor: 3.109
2015 SCImago Journal Rankings: 1.029
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorAdebayo, OAen_HK
dc.contributor.authorBurrow, MFen_HK
dc.contributor.authorTyas, MJen_HK
dc.date.accessioned2010-09-17T10:05:58Z-
dc.date.available2010-09-17T10:05:58Z-
dc.date.issued2007en_HK
dc.identifier.citationJournal Of Dentistry, 2007, v. 35 n. 11, p. 862-870en_HK
dc.identifier.issn0300-5712en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90632-
dc.description.abstractObjectives: To evaluate (a) the enamel microshear bond strength (MSBS) of a universal adhesive and (b) the effects of conditioning with a self-etching primer adhesive with/without prior bleaching and/or casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) application. Methods: Thirty-five molars were cut into four sections, assigned randomly to four groups (no treatment; 16% carbamide peroxide bleaching; CPP-ACP-containing paste (Tooth Mousse, TM); bleaching and TM) and treated accordingly. Specimens were divided into two for bonding with either a self-etching primer (Clearfil SE Bond, CSE) or a total-etch adhesive (Single Bond, SB). Specimens for CSE bonding were subdivided for one of four preconditioning treatments (no conditioning; 30-40% phosphoric acid (PA); 15% EDTA; 20% polyacrylic acid conditioner (Cavity conditioner, CC) and treated. The adhesives were applied and resin composite bonded to the enamel using microtubes (internal diameter 0.75 mm). Bonds were stressed in shear until failure, mean MSBS calculated and data analysed using ANOVA with Tukey's HSD test (α = 0.05). The modes of bond failure were assessed and classified. Results: Two-way ANOVA revealed significant differences between treatments (P < 0.0001), conditioners (P < 0.0001) and a significant interaction between treatments and conditioners (P = 0.001). One-way ANOVA revealed no significant differences in MSBS following any of the treatments for SB; following TM application for CSE without preconditioning; and significant differences in MSBS following bleaching with and without TM application for CSE. With preconditioning, applying PA before CSE post-bleaching and either PA or CC before CSE post-TM application, resulted in significant differences in MSBS (P < 0.05). Conclusions: The use of conditioners prior to bonding with the self-etching primer adhesive system on treated enamel may significantly improve bond strengths. © 2007 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jdenten_HK
dc.relation.ispartofJournal of Dentistryen_HK
dc.subjectChemicals And Cas Registry Numbersen_HK
dc.subject.meshAcid Etching, Dental - methodsen_HK
dc.subject.meshAcrylic Resins - chemistryen_HK
dc.subject.meshAdhesivenessen_HK
dc.subject.meshAdulten_HK
dc.subject.meshBisphenol A-Glycidyl Methacrylate - chemistryen_HK
dc.subject.meshCaseins - therapeutic useen_HK
dc.subject.meshChelating Agents - chemistryen_HK
dc.subject.meshComposite Resins - chemistryen_HK
dc.subject.meshDental Bondingen_HK
dc.subject.meshDental Cements - chemistryen_HK
dc.subject.meshDental Enamel - drug effects - ultrastructureen_HK
dc.subject.meshDentin Sensitivity - prevention & controlen_HK
dc.subject.meshDentin-Bonding Agents - chemistryen_HK
dc.subject.meshDrug Combinationsen_HK
dc.subject.meshEdetic Acid - chemistryen_HK
dc.subject.meshHumansen_HK
dc.subject.meshOxidants - therapeutic useen_HK
dc.subject.meshPeroxides - therapeutic useen_HK
dc.subject.meshPhosphoric Acids - chemistryen_HK
dc.subject.meshResin Cements - chemistryen_HK
dc.subject.meshShear Strengthen_HK
dc.subject.meshStress, Mechanicalen_HK
dc.subject.meshSurface Propertiesen_HK
dc.subject.meshTooth Bleachingen_HK
dc.subject.meshUrea - analogs & derivatives - therapeutic useen_HK
dc.titleEffects of conditioners on microshear bond strength to enamel after carbamide peroxide bleaching and/or casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) treatmenten_HK
dc.typeArticleen_HK
dc.identifier.emailBurrow, MF:mfburr58@hku.hken_HK
dc.identifier.authorityBurrow, MF=rp01306en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jdent.2007.08.007en_HK
dc.identifier.pmid17923225-
dc.identifier.scopuseid_2-s2.0-35148880289en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-35148880289&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume35en_HK
dc.identifier.issue11en_HK
dc.identifier.spage862en_HK
dc.identifier.epage870en_HK
dc.identifier.isiWOS:000251037700007-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridAdebayo, OA=22633345100en_HK
dc.identifier.scopusauthoridBurrow, MF=7005876730en_HK
dc.identifier.scopusauthoridTyas, MJ=7006088443en_HK

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