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Conference Paper: Bond Strength of Resin Cement to Surface Treated Zirconia

TitleBond Strength of Resin Cement to Surface Treated Zirconia
Authors
KeywordsAdhesion
Ceramics
Composites and Dental materials
Issue Date2014
PublisherSage Publications, Inc. The Journal's web site is located at http://jdr.sagepub.com/
Citation
The 92nd General Session & Exhibition of the International Association for Dental Research (IADR), Cape Town, South Africa, 25-28 June 2014. In Journal of Dental Research, 2014, v. 93 n. Special issue B: abstract no. 1468 How to Cite?
AbstractObjective: To evaluate porcelain surface treatments on the bond strength of a resin cement to zirconia Method: sintered zirconia (Cercon, DeguDent) surfaces were subjected to one of 7 surface treatments. Paste liner (Cercon Ceram Kiss, DeguDent) fired twice and then 110 µm aluminum oxide air particle abraded (APA) with and without 5% hydrofluoric acid etching -120s- (PL-APA-HF & PL-APA respectively) and one paste liner group with only hydrofluoric acid etching (PL-HF). For one group, porcelain powder (Cercon Ceram Glaze, DeguDent) was fired twice onto Zirconia and hydrofluoric acid etched in an ultrasonic bath -15 min- (PP-HF). All the previous groups received silanation (Clearfil Ceramic Primer, Kuraray) before bonding. Two groups were APA treated with and without silanation (APA-S, APA respectively). One group was an as-sintered control. Composite resin (Esthet X HD, Dentsply) buttons were bonded with Panavia F-2.0 (Kuraray Medical) resin cement to the Zirconia surfaces. The 7 groups were subjected to: water storage 24h (n=10) or 21d (n=10) with 6000 thermocycles (5-55OC). An universal testing machine measured the shear bond strength (SBS) and statistical analyses performed (p < .05). Result: All APA alone and control specimens debonded spontaneously after thermocycling. The remaining groups showed a decrease in mean SBS value of 11.7% to 58.5% except the PL-HF group, which showed a 12.7% increase. The SBS value of PL-HF group was the highest at both 24h and 21d; after thermocycling it had a significantly higher SBS than APA-S and PL-APA-HF groups which in turn, were higher than the PL-APA which was higher than PP-HF (p < .05). At 24 hours, no significant difference was noted amongst groups PL-HF, PP-HA and APA-S. Conclusion: paste liner ceramic provides a strong and durable bond and the use of silane coupling agent and the correct choice of ceramic surface treatment appears important for improving bond strength.
DescriptionOral Presentation
Session: Bond Strength to Ceramics; Adhesion Between Materials and Repair
Persistent Identifierhttp://hdl.handle.net/10722/201138
ISSN
2015 Impact Factor: 4.602
2015 SCImago Journal Rankings: 1.714

 

DC FieldValueLanguage
dc.contributor.authorBotelho, MGen_US
dc.contributor.authorCheung, GJKen_US
dc.date.accessioned2014-08-21T07:14:36Z-
dc.date.available2014-08-21T07:14:36Z-
dc.date.issued2014en_US
dc.identifier.citationThe 92nd General Session & Exhibition of the International Association for Dental Research (IADR), Cape Town, South Africa, 25-28 June 2014. In Journal of Dental Research, 2014, v. 93 n. Special issue B: abstract no. 1468en_US
dc.identifier.issn0022-0345-
dc.identifier.urihttp://hdl.handle.net/10722/201138-
dc.descriptionOral Presentation-
dc.descriptionSession: Bond Strength to Ceramics; Adhesion Between Materials and Repair-
dc.description.abstractObjective: To evaluate porcelain surface treatments on the bond strength of a resin cement to zirconia Method: sintered zirconia (Cercon, DeguDent) surfaces were subjected to one of 7 surface treatments. Paste liner (Cercon Ceram Kiss, DeguDent) fired twice and then 110 µm aluminum oxide air particle abraded (APA) with and without 5% hydrofluoric acid etching -120s- (PL-APA-HF & PL-APA respectively) and one paste liner group with only hydrofluoric acid etching (PL-HF). For one group, porcelain powder (Cercon Ceram Glaze, DeguDent) was fired twice onto Zirconia and hydrofluoric acid etched in an ultrasonic bath -15 min- (PP-HF). All the previous groups received silanation (Clearfil Ceramic Primer, Kuraray) before bonding. Two groups were APA treated with and without silanation (APA-S, APA respectively). One group was an as-sintered control. Composite resin (Esthet X HD, Dentsply) buttons were bonded with Panavia F-2.0 (Kuraray Medical) resin cement to the Zirconia surfaces. The 7 groups were subjected to: water storage 24h (n=10) or 21d (n=10) with 6000 thermocycles (5-55OC). An universal testing machine measured the shear bond strength (SBS) and statistical analyses performed (p < .05). Result: All APA alone and control specimens debonded spontaneously after thermocycling. The remaining groups showed a decrease in mean SBS value of 11.7% to 58.5% except the PL-HF group, which showed a 12.7% increase. The SBS value of PL-HF group was the highest at both 24h and 21d; after thermocycling it had a significantly higher SBS than APA-S and PL-APA-HF groups which in turn, were higher than the PL-APA which was higher than PP-HF (p < .05). At 24 hours, no significant difference was noted amongst groups PL-HF, PP-HA and APA-S. Conclusion: paste liner ceramic provides a strong and durable bond and the use of silane coupling agent and the correct choice of ceramic surface treatment appears important for improving bond strength.-
dc.languageengen_US
dc.publisherSage Publications, Inc. The Journal's web site is located at http://jdr.sagepub.com/-
dc.relation.ispartofJournal of Dental Researchen_US
dc.rightsJournal of Dental Research. Copyright © Sage Publications, Inc.-
dc.subjectAdhesion-
dc.subjectCeramics-
dc.subjectComposites and Dental materials-
dc.titleBond Strength of Resin Cement to Surface Treated Zirconiaen_US
dc.typeConference_Paperen_US
dc.identifier.emailBotelho, MG: botelho@hkucc.hku.hken_US
dc.identifier.emailCheung, GJK: jkgeorge@hku.hken_US
dc.identifier.authorityBotelho, MG=rp00033en_US
dc.identifier.hkuros233368en_US
dc.identifier.volume93en_US
dc.identifier.issueSpecial issue B: abstract no. 1468-
dc.publisher.placeUnited States-

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