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Article: Shear bond strengths of three resin cements to dentine over 3 years in vitro

TitleShear bond strengths of three resin cements to dentine over 3 years in vitro
Authors
KeywordsChemicals And Cas Registry Numbers
Issue Date2001
PublisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jdent
Citation
Journal Of Dentistry, 2001, v. 29 n. 2, p. 139-144 How to Cite?
AbstractObjectives: This study was conducted to evaluate the bond durability of three resin cements bonded to bovine dentine over a period of 3 years. Methods: Ten bovine dentine specimens were tested for shear bond strengths with each of the following materials: Panavia 21, BISTITE resin cement, and MASA Bond (experimental resin cement) at 1 day, 6 months, 1 and 3 years after cementation of a composite rod. All specimens were stressed in shear at a crosshead speed of 1 mm min -1 until failure. The means of the bond strengths were compared statistically by two-way ANOVA and Fisher's PLSD test (P < 0.05). The mode of failure was classified after fracture of the bonds by SEM observation. Results for the mode of fracture were analyzed using the Mann-Whitney U-test. Results: The shear bond strengths (MPa ± SD) for different times (1 day, 6 months, 1 and 3 years) were: Panavia 21 (15.2 ± 3.6, 9.3 ± 3.2, 8.5 ± 2.1, 6.8 ± 2.4), BISTITE (15.6 ± 2.8, 11.0 ± 1.4, 10.4 ± 2.2, 9.0 ± 2.7) and MASA Bond (29.6 ± 9.5, 17.5 ± 4.6, 19.6 ± 4.5, 16.1 ± 5.4). Panavia 21 and BISTITE strengths were significantly lower (P < 0.05) at all times compared with MASA Bond, and 1day strengths for all three materials were significantly higher (P < 0.05) than 3 year strengths. Regarding the fracture modes after bond testing, there were statistical differences between the 1 day and the 1 year results for all cements (P < 0.05). Although no Panavia 21 specimen showed complete cohesive failure in the demineralized dentine during the experiment, several BISTITE and MASA Bond specimens showed cohesive fracture in the demineralized dentine. For BISTITE, partially or complete demineralized dentine cohesive failures increased over time. Conclusions: The type of resin cement seemed to have an influence on the long-term durability of bonding to dentine. © 2001 Elsevier Science Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/90637
ISSN
2023 Impact Factor: 4.8
2023 SCImago Journal Rankings: 1.313
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorKitasako, Yen_HK
dc.contributor.authorBurrow, MFen_HK
dc.contributor.authorKatahira, Nen_HK
dc.contributor.authorNikaido, Ten_HK
dc.contributor.authorTagami, Jen_HK
dc.date.accessioned2010-09-17T10:06:03Z-
dc.date.available2010-09-17T10:06:03Z-
dc.date.issued2001en_HK
dc.identifier.citationJournal Of Dentistry, 2001, v. 29 n. 2, p. 139-144en_HK
dc.identifier.issn0300-5712en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90637-
dc.description.abstractObjectives: This study was conducted to evaluate the bond durability of three resin cements bonded to bovine dentine over a period of 3 years. Methods: Ten bovine dentine specimens were tested for shear bond strengths with each of the following materials: Panavia 21, BISTITE resin cement, and MASA Bond (experimental resin cement) at 1 day, 6 months, 1 and 3 years after cementation of a composite rod. All specimens were stressed in shear at a crosshead speed of 1 mm min -1 until failure. The means of the bond strengths were compared statistically by two-way ANOVA and Fisher's PLSD test (P < 0.05). The mode of failure was classified after fracture of the bonds by SEM observation. Results for the mode of fracture were analyzed using the Mann-Whitney U-test. Results: The shear bond strengths (MPa ± SD) for different times (1 day, 6 months, 1 and 3 years) were: Panavia 21 (15.2 ± 3.6, 9.3 ± 3.2, 8.5 ± 2.1, 6.8 ± 2.4), BISTITE (15.6 ± 2.8, 11.0 ± 1.4, 10.4 ± 2.2, 9.0 ± 2.7) and MASA Bond (29.6 ± 9.5, 17.5 ± 4.6, 19.6 ± 4.5, 16.1 ± 5.4). Panavia 21 and BISTITE strengths were significantly lower (P < 0.05) at all times compared with MASA Bond, and 1day strengths for all three materials were significantly higher (P < 0.05) than 3 year strengths. Regarding the fracture modes after bond testing, there were statistical differences between the 1 day and the 1 year results for all cements (P < 0.05). Although no Panavia 21 specimen showed complete cohesive failure in the demineralized dentine during the experiment, several BISTITE and MASA Bond specimens showed cohesive fracture in the demineralized dentine. For BISTITE, partially or complete demineralized dentine cohesive failures increased over time. Conclusions: The type of resin cement seemed to have an influence on the long-term durability of bonding to dentine. © 2001 Elsevier Science 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.meshAnalysis of Varianceen_HK
dc.subject.meshAnimalsen_HK
dc.subject.meshCattleen_HK
dc.subject.meshCompressive Strengthen_HK
dc.subject.meshDental Bondingen_HK
dc.subject.meshDentinen_HK
dc.subject.meshDentin-Bonding Agents - chemistryen_HK
dc.subject.meshDrug Storageen_HK
dc.subject.meshEquipment Failure Analysisen_HK
dc.subject.meshMaterials Testingen_HK
dc.subject.meshMicroscopy, Electron, Scanningen_HK
dc.subject.meshResin Cements - chemistryen_HK
dc.subject.meshStatistics, Nonparametricen_HK
dc.subject.meshTensile Strengthen_HK
dc.subject.meshTime Factorsen_HK
dc.titleShear bond strengths of three resin cements to dentine over 3 years in vitroen_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/S0300-5712(00)00058-0en_HK
dc.identifier.pmid11239589-
dc.identifier.scopuseid_2-s2.0-0035256713en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035256713&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume29en_HK
dc.identifier.issue2en_HK
dc.identifier.spage139en_HK
dc.identifier.epage144en_HK
dc.identifier.isiWOS:000167364800009-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridKitasako, Y=7003435929en_HK
dc.identifier.scopusauthoridBurrow, MF=7005876730en_HK
dc.identifier.scopusauthoridKatahira, N=6507996393en_HK
dc.identifier.scopusauthoridNikaido, T=7102059723en_HK
dc.identifier.scopusauthoridTagami, J=7005967527en_HK
dc.identifier.issnl0300-5712-

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