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Article: Relationship between composite fracture toughness and bond strengths to enamel and dentine

TitleRelationship between composite fracture toughness and bond strengths to enamel and dentine
Authors
KeywordsBond strength
Fracture toughness
Microshear
Microtensile
Resin composites
Issue Date2012
PublisherWiley-Blackwell Publishing Ltd.. The Journal's web site is located at http://www.wiley.com/bw/journal.asp?ref=0045-0421
Citation
Australian Dental Journal, 2012, v. 57 n. 3, p. 319-324 How to Cite?
AbstractBackground: This study aimed to evaluate the association between the fracture toughness of two nanofilled-hybrid resin composites (Clearfil Majesty Esthetic [CME], Kuraray Medical, Japan; Estelite Σ [ES], Tokuyama, Japan) and their bond strengths to enamel and dentine mediated by a self-etching primer system (Clearfil SE Bond [CSE]; Kuraray). Methods: Twenty-four permanent human molars were sectioned into enamel and dentine specimens and finished with 600-grit silicon carbide paper, bonded with CSE and either CME or ES, for μ-shear bond strength (μSBS) and μ-tensile bond strength (μTBS). The specimens were tested until failure at a cross-head speed of 1 mm/min, failure loads recorded, bond strengths calculated and results analysed using independent samples t-tests. Eight single-notched bar-shaped specimens, 30 mm × 5.2 mm × 2.2 mm, were prepared for each resin composite and fracture toughness measured using four-point bending at a cross-head speed of 0.5 mm/min. Results were analysed using independent samples t-tests. Results: For μSBS and μTBS, there was no significant difference between the resin composites for enamel or dentine. The fracture toughness of CME was significantly higher than that of ES. Conclusions: For both enamel and dentine, resin composite fracture toughness affected neither μTBS nor μSBS to enamel or dentine. © 2012 Australian Dental Association.
DescriptionScientific article
Persistent Identifierhttp://hdl.handle.net/10722/152613
ISSN
2015 Impact Factor: 1.272
2015 SCImago Journal Rankings: 0.482
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorAdebayo, OAen_US
dc.contributor.authorBurrow, MFen_US
dc.contributor.authorTyas, MJen_US
dc.date.accessioned2012-07-16T09:43:44Z-
dc.date.available2012-07-16T09:43:44Z-
dc.date.issued2012en_US
dc.identifier.citationAustralian Dental Journal, 2012, v. 57 n. 3, p. 319-324en_US
dc.identifier.issn0045-0421-
dc.identifier.urihttp://hdl.handle.net/10722/152613-
dc.descriptionScientific article-
dc.description.abstractBackground: This study aimed to evaluate the association between the fracture toughness of two nanofilled-hybrid resin composites (Clearfil Majesty Esthetic [CME], Kuraray Medical, Japan; Estelite Σ [ES], Tokuyama, Japan) and their bond strengths to enamel and dentine mediated by a self-etching primer system (Clearfil SE Bond [CSE]; Kuraray). Methods: Twenty-four permanent human molars were sectioned into enamel and dentine specimens and finished with 600-grit silicon carbide paper, bonded with CSE and either CME or ES, for μ-shear bond strength (μSBS) and μ-tensile bond strength (μTBS). The specimens were tested until failure at a cross-head speed of 1 mm/min, failure loads recorded, bond strengths calculated and results analysed using independent samples t-tests. Eight single-notched bar-shaped specimens, 30 mm × 5.2 mm × 2.2 mm, were prepared for each resin composite and fracture toughness measured using four-point bending at a cross-head speed of 0.5 mm/min. Results were analysed using independent samples t-tests. Results: For μSBS and μTBS, there was no significant difference between the resin composites for enamel or dentine. The fracture toughness of CME was significantly higher than that of ES. Conclusions: For both enamel and dentine, resin composite fracture toughness affected neither μTBS nor μSBS to enamel or dentine. © 2012 Australian Dental Association.-
dc.languageengen_US
dc.publisherWiley-Blackwell Publishing Ltd.. The Journal's web site is located at http://www.wiley.com/bw/journal.asp?ref=0045-0421en_US
dc.relation.ispartofAustralian Dental Journalen_US
dc.rightsThe definitive version is available at www3.interscience.wiley.com-
dc.subjectBond strength-
dc.subjectFracture toughness-
dc.subjectMicroshear-
dc.subjectMicrotensile-
dc.subjectResin composites-
dc.titleRelationship between composite fracture toughness and bond strengths to enamel and dentineen_US
dc.typeArticleen_US
dc.identifier.emailAdebayo, OA: olabisi.adebayo@utoronto.caen_US
dc.identifier.emailBurrow, MF: mfburr58@hku.hk-
dc.identifier.authorityBurrow, MF=rp01306en_US
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1111/j.1834-7819.2012.01704.x-
dc.identifier.pmid22924355-
dc.identifier.scopuseid_2-s2.0-84865750384-
dc.identifier.hkuros201803en_US
dc.identifier.volume57en_US
dc.identifier.issue3-
dc.identifier.spage319en_US
dc.identifier.epage324en_US
dc.identifier.isiWOS:000307939000010-
dc.publisher.placeUnited Kingdom-

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