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Conference Paper: Effect of chlorhexidine and ethanol wetbonding on immediate dentine bondstrength

TitleEffect of chlorhexidine and ethanol wetbonding on immediate dentine bondstrength
Authors
KeywordsAdhesion
Antimicrobial agents/inhibitors
Dental materials
Dentin bonding agents and ethanol wet-bonding
Issue Date2012
PublisherSage Publications, Inc.. The Journal's web site is located at http://www.sagepub.com/journalsProdDesc.nav?prodId=Journal201925
Citation
The Annual Meeting of the International Association for Dental Research (IADR) Southeast Asian Division, Hong Kong, China, 3-4 November 2012. In Journal of Dental Research, 2012, v. 91 n. Special Issue C: abstract no. 168786 How to Cite?
AbstractObjectives: This study examined the effect of adjunctive application of ethanol wet-bonding (EWB) and chlorhexidine (CHX) on immediate resin-dentine bond strength with hydrophobic adhesive. Methods: Flat dentine surfaces were prepared from twenty extracted non-carious human third molars. Dentine surfaces were etched with 35% phosphoric acid for 15 s, rinsed and blot-dried before bonding. The teeth were divided into four groups for bonding using EWB or EWB with 1%, 2% and 3% CHX incorporated in the final step of ethanol application. An experimental hydrophobic adhesive was prepared and applied to dentine surface and light-cured. Composite build-ups were performed using Filtek Z250 (3M ESPE). For microtensile bond strength (μTBS) evaluation, composite-dentine beams were stressed to failure at a crosshead speed of 1 mm/min. The μTBS data was analyzed using one-way ANOVA and Student-Newman-Keuls multiple comparison test. Representative fractured beams from each group were prepared for fractographic analysis under SEM. Results: One-way ANOVA showed that the incorporation of CHX in EWB significantly affected (P<0.05) the μTBS of hydrophobic adhesive to dentine. No significant difference in μTBS was observed among EWB (30.12 ± 9.83 MPa), EWB/1% CHX (30.24 ± 5.65 MPa) and EWB/2% CHX (26.51 ± 7.34 MPa) groups. However, significant reduction (P<0.05) in μTBS was observed in EWB/3% CHX group (25.19 ± 6.25 MPa). The majority of failures in EWB, EWB/1% CHX and EWB/2% CHX groups adhesive and mixed failure involving the adhesive and composite interface; the failure mode was largely adhesive involving the adhesive-dentine interfaces. Conclusions: The adjunctive application of 1% and 2% of chlorhexidine with ethanol wet-bonding has no adverse effect on the immediate resin-dentine bond strength.
DescriptionSession: Dental Materials
Persistent Identifierhttp://hdl.handle.net/10722/189683
ISSN
2015 Impact Factor: 4.602
2015 SCImago Journal Rankings: 1.714

 

DC FieldValueLanguage
dc.contributor.authorManan, NMen_US
dc.contributor.authorYiu, CKYen_US
dc.contributor.authorKing, NMen_US
dc.date.accessioned2013-09-17T14:52:51Z-
dc.date.available2013-09-17T14:52:51Z-
dc.date.issued2012en_US
dc.identifier.citationThe Annual Meeting of the International Association for Dental Research (IADR) Southeast Asian Division, Hong Kong, China, 3-4 November 2012. In Journal of Dental Research, 2012, v. 91 n. Special Issue C: abstract no. 168786en_US
dc.identifier.issn0022-0345-
dc.identifier.urihttp://hdl.handle.net/10722/189683-
dc.descriptionSession: Dental Materials-
dc.description.abstractObjectives: This study examined the effect of adjunctive application of ethanol wet-bonding (EWB) and chlorhexidine (CHX) on immediate resin-dentine bond strength with hydrophobic adhesive. Methods: Flat dentine surfaces were prepared from twenty extracted non-carious human third molars. Dentine surfaces were etched with 35% phosphoric acid for 15 s, rinsed and blot-dried before bonding. The teeth were divided into four groups for bonding using EWB or EWB with 1%, 2% and 3% CHX incorporated in the final step of ethanol application. An experimental hydrophobic adhesive was prepared and applied to dentine surface and light-cured. Composite build-ups were performed using Filtek Z250 (3M ESPE). For microtensile bond strength (μTBS) evaluation, composite-dentine beams were stressed to failure at a crosshead speed of 1 mm/min. The μTBS data was analyzed using one-way ANOVA and Student-Newman-Keuls multiple comparison test. Representative fractured beams from each group were prepared for fractographic analysis under SEM. Results: One-way ANOVA showed that the incorporation of CHX in EWB significantly affected (P<0.05) the μTBS of hydrophobic adhesive to dentine. No significant difference in μTBS was observed among EWB (30.12 ± 9.83 MPa), EWB/1% CHX (30.24 ± 5.65 MPa) and EWB/2% CHX (26.51 ± 7.34 MPa) groups. However, significant reduction (P<0.05) in μTBS was observed in EWB/3% CHX group (25.19 ± 6.25 MPa). The majority of failures in EWB, EWB/1% CHX and EWB/2% CHX groups adhesive and mixed failure involving the adhesive and composite interface; the failure mode was largely adhesive involving the adhesive-dentine interfaces. Conclusions: The adjunctive application of 1% and 2% of chlorhexidine with ethanol wet-bonding has no adverse effect on the immediate resin-dentine bond strength.-
dc.languageengen_US
dc.publisherSage Publications, Inc.. The Journal's web site is located at http://www.sagepub.com/journalsProdDesc.nav?prodId=Journal201925-
dc.relation.ispartofJournal of Dental Researchen_US
dc.rightsJournal of Dental Research. Copyright © Sage Publications, Inc..-
dc.subjectAdhesion-
dc.subjectAntimicrobial agents/inhibitors-
dc.subjectDental materials-
dc.subjectDentin bonding agents and ethanol wet-bonding-
dc.titleEffect of chlorhexidine and ethanol wetbonding on immediate dentine bondstrengthen_US
dc.typeConference_Paperen_US
dc.identifier.emailYiu, CKY: ckyyiu@hkucc.hku.hken_US
dc.identifier.emailKing, NM: hhdbknm@hkucc.hku.hken_US
dc.identifier.authorityYiu, CKY=rp00018en_US
dc.identifier.authorityKing, NM=rp00006en_US
dc.identifier.hkuros224585en_US
dc.identifier.volume91en_US
dc.identifier.issueSpecial Issue C: abstract no. 168786en_US
dc.publisher.placeUnited States-

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