Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/68408
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dc.contributor.authorKotooussov, A.en
dc.contributor.authorKahler, W.en
dc.contributor.authorSwain, M.en
dc.date.issued2011en
dc.identifier.citationDental Materials, 2011; 27(11):1094-1101en
dc.identifier.issn0109-5641en
dc.identifier.issn1879-0097en
dc.identifier.urihttp://hdl.handle.net/2440/68408-
dc.description.abstractOBJECTIVES: To provide a brief summary of the background theory of interfacial fracture mechanics and develop an analytical framework that identifies the critical factors for the analysis of the initiation and propagation of adhesion failure in composite restorations. METHODS: A conceptual framework utilizing interfacial fracture mechanics and Toya's solution for a partially delaminated circular inclusion in an elastic matrix, which can be applied (with caution) to approximate polymer curing induced cracking about composite resins for class 1 cavity restorations. RESULTS: The findings indicate that: (1) most traditional shear tests are not appropriate for the analysis of the interfacial failure initiation; (2) material properties of the restorative and tooth material have a strong influence on the energy realize rate; (3) there is a strong size effect; and (4) interfacial failure once initiated is characterized by unstable propagation along the interface almost completely encircling the composite. SIGNIFICANCE: The work is important for the analysis of the reliability of composite class I restorations and provides an adequate interpretation of recent adhesion debonding experimental results utilizing tubular geometry of specimens. The approach clearly identifies the critical parameters including; curing strain, material modulii, size and interfacial strain energy release rate for reliable development of advanced restorative materials.en
dc.description.statementofresponsibilityAndrei Kotousov, Bill Kahler, Michael Swainen
dc.language.isoenen
dc.publisherElsevier Sci Ltden
dc.rightsCopyright © 2011 Academy of Dental Materials. Published by Elsevier Ltd. All rights reserved.en
dc.subjectComposite resin; Interfacial fracture mechanics; Effect of material properties; Scale effect; Restorative materials; Fracture energyen
dc.titleAnalysis of interfacial fracture in dental restorationsen
dc.typeJournal articleen
dc.identifier.rmid0020113469en
dc.identifier.doi10.1016/j.dental.2011.06.009en
dc.identifier.pubid27411-
pubs.library.collectionMechanical Engineering publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Mechanical Engineering publications
Materials Research Group publications

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