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Article: Resin-dentine interfacial morphology following CPP-ACP treatment

TitleResin-dentine interfacial morphology following CPP-ACP treatment
Authors
Keywords'All-in-one' adhesives
Casein phosphopeptide-amorphous calcium phosphate
Dentine conditioners
Interfacial morphology
Scanning electron microscopy
Self-etching primer adhesives
Issue Date2010
PublisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jdent
Citation
Journal Of Dentistry, 2010, v. 38 n. 2, p. 96-105 How to Cite?
AbstractObjectives: To evaluate the quality of bonded resin-dentine interfaces produced by two self-etching primer adhesives after casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) treatment, in comparison to untreated dentine. Methods: Thirty-four adult molar teeth were sectioned to obtain dentine with tubule orientations parallel/oblique or perpendicular to the surface. The specimens were divided into 'smear layer' (1A, 1B) and 'no smear layer' groups, after treatment with 15% EDTA (2A, 2B). The specimens were then left either untreated (1A, 2A) or treated (1B, 2B) with CPP-ACP paste (Tooth Mousse, GC Corp.) for 60 min × 7 days. Each treatment group was divided into three subgroups and specimens etched/conditioned (no conditioning; 30-40% phosphoric acid (H3PO4); 20% polyacrylic acid) and bonded with either a 2-step self-etching primer adhesive (Clearfil SE Bond, Kuraray Medical) or an 'all-in-one' adhesive (G-Bond, GC Corp.) and a hybrid resin composite. After 24-h water storage, the bonded specimens were sectioned, polished up to 4000-grit abrasive silicon carbide paper and 0.25-μm diamond paste, prepared for FE-SEM using the acid-base technique, critical point-dried, gold-coated and examined. Bonded and fractured dentine interfaces were also prepared and examined. Results: The 2-step adhesive produced a similar appearance of bonded resin-dentine interface irrespective of smear layer group, treatment or etching/conditioning. After polyacrylic acid conditioning, the 'all-in-one' adhesive exhibited more areas with bond failures. The bond failures were within the hybrid layer and more pronounced following CPP-ACP treatment. Conclusion: The quality of the bonded resin-dentine interface produced after CPP-ACP treatment may depend on the adhesive system used. © 2009 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/134971
ISSN
2015 Impact Factor: 3.109
2015 SCImago Journal Rankings: 1.029
ISI Accession Number ID
Funding AgencyGrant Number
Australian Dental Research Foundation, St Leonards, NSW, Australia
Cooperative Research Centre for Oral Health Science, Melbourne Dental School, University of Melbourne, Australia
Funding Information:

This study was supported by grants from the Australian Dental Research Foundation, St Leonards, NSW, Australia and the Cooperative Research Centre for Oral Health Science, Melbourne Dental School, University of Melbourne, Australia. The authors also acknowledge the generous donations of the materials by the companies: Kuraray Medical, Okayama, Japan; GC Corp., Tokyo, Japan; 3M ESPE, St Paul, MN. The authors wish to thank Mr. Chris Owen of the Melbourne Dental School, University of Melbourne for assistance with imaging.

References

 

DC FieldValueLanguage
dc.contributor.authorAdebayo, OAen_HK
dc.contributor.authorBurrow, MFen_HK
dc.contributor.authorTyas, MJen_HK
dc.date.accessioned2011-07-27T01:25:14Z-
dc.date.available2011-07-27T01:25:14Z-
dc.date.issued2010en_HK
dc.identifier.citationJournal Of Dentistry, 2010, v. 38 n. 2, p. 96-105en_HK
dc.identifier.issn0300-5712en_HK
dc.identifier.urihttp://hdl.handle.net/10722/134971-
dc.description.abstractObjectives: To evaluate the quality of bonded resin-dentine interfaces produced by two self-etching primer adhesives after casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) treatment, in comparison to untreated dentine. Methods: Thirty-four adult molar teeth were sectioned to obtain dentine with tubule orientations parallel/oblique or perpendicular to the surface. The specimens were divided into 'smear layer' (1A, 1B) and 'no smear layer' groups, after treatment with 15% EDTA (2A, 2B). The specimens were then left either untreated (1A, 2A) or treated (1B, 2B) with CPP-ACP paste (Tooth Mousse, GC Corp.) for 60 min × 7 days. Each treatment group was divided into three subgroups and specimens etched/conditioned (no conditioning; 30-40% phosphoric acid (H3PO4); 20% polyacrylic acid) and bonded with either a 2-step self-etching primer adhesive (Clearfil SE Bond, Kuraray Medical) or an 'all-in-one' adhesive (G-Bond, GC Corp.) and a hybrid resin composite. After 24-h water storage, the bonded specimens were sectioned, polished up to 4000-grit abrasive silicon carbide paper and 0.25-μm diamond paste, prepared for FE-SEM using the acid-base technique, critical point-dried, gold-coated and examined. Bonded and fractured dentine interfaces were also prepared and examined. Results: The 2-step adhesive produced a similar appearance of bonded resin-dentine interface irrespective of smear layer group, treatment or etching/conditioning. After polyacrylic acid conditioning, the 'all-in-one' adhesive exhibited more areas with bond failures. The bond failures were within the hybrid layer and more pronounced following CPP-ACP treatment. Conclusion: The quality of the bonded resin-dentine interface produced after CPP-ACP treatment may depend on the adhesive system used. © 2009 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_US
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.subject'All-in-one' adhesivesen_HK
dc.subjectCasein phosphopeptide-amorphous calcium phosphateen_HK
dc.subjectDentine conditionersen_HK
dc.subjectInterfacial morphologyen_HK
dc.subjectScanning electron microscopyen_HK
dc.subjectSelf-etching primer adhesivesen_HK
dc.subject.meshCariostatic Agents - chemistry-
dc.subject.meshCaseins - chemistry-
dc.subject.meshDental Bonding-
dc.subject.meshDentin - ultrastructure-
dc.subject.meshResin Cements - chemistry-
dc.titleResin-dentine interfacial morphology following CPP-ACP treatmenten_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0300-5712&volume=38&issue=2&spage=96&epage=105&date=2010&atitle=Resin-dentine+interfacial+morphology+following+CPP-ACP+treatment-
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.2009.09.007en_HK
dc.identifier.pmid19781591-
dc.identifier.scopuseid_2-s2.0-74449090234en_HK
dc.identifier.hkuros186552en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-74449090234&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume38en_HK
dc.identifier.issue2en_HK
dc.identifier.spage96en_HK
dc.identifier.epage105en_HK
dc.identifier.isiWOS:000275222500002-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridAdebayo, OA=22633345100en_HK
dc.identifier.scopusauthoridBurrow, MF=7005876730en_HK
dc.identifier.scopusauthoridTyas, MJ=7006088443en_HK
dc.identifier.citeulike5843308-

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