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Article: Tensile bond strength and SEM evaluation of caries-affected dentin using dentin adhesives.

TitleTensile bond strength and SEM evaluation of caries-affected dentin using dentin adhesives.
Authors
KeywordsChemicals And Cas Registry Numbers
Issue Date1995
PublisherSage Publications, Inc.. The Journal's web site is located at http://www.sagepub.com/journalsProdDesc.nav?prodId=Journal201925
Citation
Journal Of Dental Research, 1995, v. 74 n. 10, p. 1679-1688 How to Cite?
AbstractTensile bond strength measurements are commonly used for the evaluation of dentin adhesive systems. Most tests are performed using extracted non-carious human or bovine dentin. However, the adhesion of resins to caries-affected dentin is still unclear. The objectives of this study were to test the hypothesis that bonding to caries-affected dentin is inferior to bonding to normal dentin, and that the quality of the hybrid layer plays a major role in creating good adhesion. We used a micro-tensile bond strength test to compare test bond strengths made to either caries-affected dentin or normal dentin, using three commercial adhesive systems (All Bond 2, Scotchbond Multi-Purpose, and Clearfil Liner Bond II). For scanning electron microscopy, the polished interfaces between the adhesive bond and dentin were subjected to brief exposure to 10% phosphoric acid solution and 5% sodium hypochlorite, so that the quality of the hybrid layers could be observed. Bonding to normal dentin with either All Bond 2 (26.9 +/- 8.8 MPa) or Clearfil Liner Bond II (29.5 +/- 10.9 MPa) showed tensile bond strengths higher than those to caries-affected dentin (13.0 +/- 3.6 MPa and 14.0 +/- 4.3 MPa, respectively). The tensile bond strengths obtained with Scotchbond Multi-Purpose were similar in normal and caries-affected dentin (20.3 +/- 5.5 MPa and 18.5 +/- 4.0 MPa, respectively). The hybrid layers created by All Bond 2 in normal dentin and by Clearfil Liner Bond II in normal or caries-affected dentin showed phosphoric acid and sodium hypochlorite resistance, whereas the hybrid layers created by All Bond 2 in caries-affected dentin and those created by Scotchbond Multi-Purpose to normal and caries-affected dentin showed partial susceptibility to the acid and sodium hypochlorite treatment. The results indicate that the strength of adhesion to dentin depends upon both the adhesive system used and the type of dentin. Moreover, the quality of the hybrid layer may not always contribute significantly to tensile bond strength.
Persistent Identifierhttp://hdl.handle.net/10722/90578
ISSN
2023 Impact Factor: 5.7
2023 SCImago Journal Rankings: 1.909
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorNakajima, Men_HK
dc.contributor.authorSano, Hen_HK
dc.contributor.authorBurrow, MFen_HK
dc.contributor.authorTagami, Jen_HK
dc.contributor.authorYoshiyama, Men_HK
dc.contributor.authorEbisu, Sen_HK
dc.contributor.authorCiucchi, Ben_HK
dc.contributor.authorRussell, CMen_HK
dc.contributor.authorPashley, DHen_HK
dc.date.accessioned2010-09-17T10:05:09Z-
dc.date.available2010-09-17T10:05:09Z-
dc.date.issued1995en_HK
dc.identifier.citationJournal Of Dental Research, 1995, v. 74 n. 10, p. 1679-1688en_HK
dc.identifier.issn0022-0345en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90578-
dc.description.abstractTensile bond strength measurements are commonly used for the evaluation of dentin adhesive systems. Most tests are performed using extracted non-carious human or bovine dentin. However, the adhesion of resins to caries-affected dentin is still unclear. The objectives of this study were to test the hypothesis that bonding to caries-affected dentin is inferior to bonding to normal dentin, and that the quality of the hybrid layer plays a major role in creating good adhesion. We used a micro-tensile bond strength test to compare test bond strengths made to either caries-affected dentin or normal dentin, using three commercial adhesive systems (All Bond 2, Scotchbond Multi-Purpose, and Clearfil Liner Bond II). For scanning electron microscopy, the polished interfaces between the adhesive bond and dentin were subjected to brief exposure to 10% phosphoric acid solution and 5% sodium hypochlorite, so that the quality of the hybrid layers could be observed. Bonding to normal dentin with either All Bond 2 (26.9 +/- 8.8 MPa) or Clearfil Liner Bond II (29.5 +/- 10.9 MPa) showed tensile bond strengths higher than those to caries-affected dentin (13.0 +/- 3.6 MPa and 14.0 +/- 4.3 MPa, respectively). The tensile bond strengths obtained with Scotchbond Multi-Purpose were similar in normal and caries-affected dentin (20.3 +/- 5.5 MPa and 18.5 +/- 4.0 MPa, respectively). The hybrid layers created by All Bond 2 in normal dentin and by Clearfil Liner Bond II in normal or caries-affected dentin showed phosphoric acid and sodium hypochlorite resistance, whereas the hybrid layers created by All Bond 2 in caries-affected dentin and those created by Scotchbond Multi-Purpose to normal and caries-affected dentin showed partial susceptibility to the acid and sodium hypochlorite treatment. The results indicate that the strength of adhesion to dentin depends upon both the adhesive system used and the type of dentin. Moreover, the quality of the hybrid layer may not always contribute significantly to tensile bond strength.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.subjectChemicals And Cas Registry Numbersen_HK
dc.subject.meshAnalysis of Varianceen_HK
dc.subject.meshDental Caries - therapyen_HK
dc.subject.meshDental Polishingen_HK
dc.subject.meshDentin - drug effectsen_HK
dc.subject.meshDentin-Bonding Agents - pharmacologyen_HK
dc.subject.meshHardness Tests - methodsen_HK
dc.subject.meshHumansen_HK
dc.subject.meshLeast-Squares Analysisen_HK
dc.subject.meshMicroscopy, Electron, Scanningen_HK
dc.subject.meshMolar - drug effectsen_HK
dc.subject.meshSurface Propertiesen_HK
dc.subject.meshTensile Strengthen_HK
dc.titleTensile bond strength and SEM evaluation of caries-affected dentin using dentin adhesives.en_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.doi10.1177/00220345950740100901-
dc.identifier.pmid7499591-
dc.identifier.scopuseid_2-s2.0-0029383077en_HK
dc.identifier.volume74en_HK
dc.identifier.issue10en_HK
dc.identifier.spage1679en_HK
dc.identifier.epage1688en_HK
dc.identifier.isiWOS:A1995TL09900009-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridNakajima, M=7402942991en_HK
dc.identifier.scopusauthoridSano, H=7403159147en_HK
dc.identifier.scopusauthoridBurrow, MF=7005876730en_HK
dc.identifier.scopusauthoridTagami, J=7005967527en_HK
dc.identifier.scopusauthoridYoshiyama, M=7101976652en_HK
dc.identifier.scopusauthoridEbisu, S=7006505847en_HK
dc.identifier.scopusauthoridCiucchi, B=6701673072en_HK
dc.identifier.scopusauthoridRussell, CM=7401530685en_HK
dc.identifier.scopusauthoridPashley, DH=35448600800en_HK
dc.identifier.issnl0022-0345-

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