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Article: Effect of primers and resins on the shear bond strength of resin composite to zirconia

TitleEffect of primers and resins on the shear bond strength of resin composite to zirconia
Authors
Issue Date2010
PublisherHindawi Publishing. The Journal's web site is located at http://www.hindawi.com/archive/
Citation
SRX Dentistry, 2010, v. 2010, article no. 295137 How to Cite?
AbstractObjective. To evaluate the effects of various surface conditioning methods and agents. Methods. The intaglio zirconia substrates were air particle abraded with Al2O3 (Ø 50 μm) for 10 s. An air pressure of 450 kPa and a nozzle distance of 10 mm were used. Surface conditioning by groups: A = silane coupling agent  + organophosphate adhesive; B = organophosphate primer + silane coupling agent + organophosphate adhesive; C = organophosphate primer; D = methacrylate adhesive; E = thiophosphate primer + methacrylate adhesive. Composite stubs were bonded to substrates and photo-polymerized. The specimens were thermocycled 8000 times 55±1∘C and 5±1∘C and kept in distilled water for 14 d. The shear bond strengths were measured with a universal testing machine. Results. Shear bond strengths (MPa ± SD): Group A 25.8±6.7, Group B 26.5±8.6, Group C 16.7±8.5, Group D 2.6±0.7, and Group E 4.2±1.2. ANOVA: significant differences among groups (P<.05). Groups A and B: mainly cohesive fractures, Group C: mixed or adhesive fractures, Groups D and E: adhesive fractures. Conclusions. A value of 10–13 MPa is the minimum acceptable shear bond strength. Groups A, B, and C exceeded this limit, Groups D and E could not achieve the limit.
Persistent Identifierhttp://hdl.handle.net/10722/129079

 

DC FieldValueLanguage
dc.contributor.authorHeikkinen, TTen_US
dc.contributor.authorLassila, LVJen_US
dc.contributor.authorMatinlinna, JPen_US
dc.contributor.authorVallittu, PKen_US
dc.date.accessioned2010-12-23T08:32:08Z-
dc.date.available2010-12-23T08:32:08Z-
dc.date.issued2010en_US
dc.identifier.citationSRX Dentistry, 2010, v. 2010, article no. 295137en_US
dc.identifier.urihttp://hdl.handle.net/10722/129079-
dc.description.abstractObjective. To evaluate the effects of various surface conditioning methods and agents. Methods. The intaglio zirconia substrates were air particle abraded with Al2O3 (Ø 50 μm) for 10 s. An air pressure of 450 kPa and a nozzle distance of 10 mm were used. Surface conditioning by groups: A = silane coupling agent  + organophosphate adhesive; B = organophosphate primer + silane coupling agent + organophosphate adhesive; C = organophosphate primer; D = methacrylate adhesive; E = thiophosphate primer + methacrylate adhesive. Composite stubs were bonded to substrates and photo-polymerized. The specimens were thermocycled 8000 times 55±1∘C and 5±1∘C and kept in distilled water for 14 d. The shear bond strengths were measured with a universal testing machine. Results. Shear bond strengths (MPa ± SD): Group A 25.8±6.7, Group B 26.5±8.6, Group C 16.7±8.5, Group D 2.6±0.7, and Group E 4.2±1.2. ANOVA: significant differences among groups (P<.05). Groups A and B: mainly cohesive fractures, Group C: mixed or adhesive fractures, Groups D and E: adhesive fractures. Conclusions. A value of 10–13 MPa is the minimum acceptable shear bond strength. Groups A, B, and C exceeded this limit, Groups D and E could not achieve the limit.-
dc.languageengen_US
dc.publisherHindawi Publishing. The Journal's web site is located at http://www.hindawi.com/archive/-
dc.relation.ispartofSRX Dentistryen_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleEffect of primers and resins on the shear bond strength of resin composite to zirconiaen_US
dc.typeArticleen_US
dc.identifier.emailMatinlinna, JP: jpmat@hku.hken_US
dc.identifier.authorityMatinlinna, JP=rp00052en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.3814/2010/295137en_US
dc.identifier.hkuros177284en_US
dc.identifier.volume2010, article no. 295137en_US
dc.publisher.placeUnited States-

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