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Conference Paper: Effect of benzalkonium chloride applicationon resin-dentine bond strength

TitleEffect of benzalkonium chloride applicationon resin-dentine bond strength
Authors
KeywordsMedical sciences
Dentistry
Issue Date2011
PublisherWiley-Blackwell Publishing Ltd.. The Journal's web site is located at http://www.wiley.com/bw/journal.asp?ref=0960-7439
Citation
The 23rd Congress of the International Association of Paediatric Dentistry, Athens, Greece, 15-18 June 2011. In International Journal of Paediatric Dentistry, 2011, v. 21 suppl. s1, p. 24, abstract no. O09-70 How to Cite?
AbstractBACKGROUND: Application of dentine adhesives to demineralized dentine, activates endogenous collagen-bound matrix metallopro-teinases principally (MMP) 2, 8 and 9, which results in progressive loss of collagen from hybrid layer. Recently, benzalkonium chloride (BAC) has been shown to be effective in inhibiting MMPs and it may be therefore useful in enhancing the stability of bonded restorations. AIM: To evaluate the effect of pretreatment of dentine with 0.5% BAC solution on bond strength of etch and rinse adhesives to dentine. DESIGN: Flat dentine surfaces prepared from 32 extracted caries-free third molars were etched with 37% phosphoric acid for 15s. The teeth were randomly assigned to one of the two groups (n = 16). In Group 1: acid-etched dentine surfaces were treated with 0.5% BAC solution and Group 2: did not have any pretreatment. Dentine surfaces were blotted dried, Single bond (3 M ESPE), or Prime & Bond NT (Dentsply De Trey) applied following the manufacturers’ instructions. Composite buildups (Z250, 3 M ESPE) were performed. After storage in water at 37°C for 24h, bonded teeth were cut into composite-dentine beams for microtensile bond strength testing. Data were analyzed by two-way ANOVA (pre-treatment and adhesives) and Tukey tests (α = 0.05). RESULTS: Pretreatment of dentine with BAC increased bond strength of adhesives to dentine (P < 0.001). Different adhesives had no significant effect on dentine bond strength (P > 0.05). CONCLUSION: Pretreatment of dentine with 0.5% BAC solution increased bond strength of etch-and-rinse adhesives to dentine. Future experiments will examine the effect of benzalkonium chloride on durability of resin-dentine bond.
DescriptionFree Special Issue: Abstracts of the 23rd Congress of the International Association of Paediatric Dentistry
Oral Presentations: O09 - Dental Materials
Persistent Identifierhttp://hdl.handle.net/10722/135741
ISSN
2015 Impact Factor: 1.303
2015 SCImago Journal Rankings: 0.721

 

DC FieldValueLanguage
dc.contributor.authorMomin, SPAen_US
dc.contributor.authorYiu, CKYen_US
dc.contributor.authorEpasinghe, DJen_US
dc.contributor.authorKing, NMen_US
dc.date.accessioned2011-07-27T01:47:40Z-
dc.date.available2011-07-27T01:47:40Z-
dc.date.issued2011en_US
dc.identifier.citationThe 23rd Congress of the International Association of Paediatric Dentistry, Athens, Greece, 15-18 June 2011. In International Journal of Paediatric Dentistry, 2011, v. 21 suppl. s1, p. 24, abstract no. O09-70-
dc.identifier.issn0960-7439-
dc.identifier.urihttp://hdl.handle.net/10722/135741-
dc.descriptionFree Special Issue: Abstracts of the 23rd Congress of the International Association of Paediatric Dentistry-
dc.descriptionOral Presentations: O09 - Dental Materials-
dc.description.abstractBACKGROUND: Application of dentine adhesives to demineralized dentine, activates endogenous collagen-bound matrix metallopro-teinases principally (MMP) 2, 8 and 9, which results in progressive loss of collagen from hybrid layer. Recently, benzalkonium chloride (BAC) has been shown to be effective in inhibiting MMPs and it may be therefore useful in enhancing the stability of bonded restorations. AIM: To evaluate the effect of pretreatment of dentine with 0.5% BAC solution on bond strength of etch and rinse adhesives to dentine. DESIGN: Flat dentine surfaces prepared from 32 extracted caries-free third molars were etched with 37% phosphoric acid for 15s. The teeth were randomly assigned to one of the two groups (n = 16). In Group 1: acid-etched dentine surfaces were treated with 0.5% BAC solution and Group 2: did not have any pretreatment. Dentine surfaces were blotted dried, Single bond (3 M ESPE), or Prime & Bond NT (Dentsply De Trey) applied following the manufacturers’ instructions. Composite buildups (Z250, 3 M ESPE) were performed. After storage in water at 37°C for 24h, bonded teeth were cut into composite-dentine beams for microtensile bond strength testing. Data were analyzed by two-way ANOVA (pre-treatment and adhesives) and Tukey tests (α = 0.05). RESULTS: Pretreatment of dentine with BAC increased bond strength of adhesives to dentine (P < 0.001). Different adhesives had no significant effect on dentine bond strength (P > 0.05). CONCLUSION: Pretreatment of dentine with 0.5% BAC solution increased bond strength of etch-and-rinse adhesives to dentine. Future experiments will examine the effect of benzalkonium chloride on durability of resin-dentine bond.-
dc.languageengen_US
dc.publisherWiley-Blackwell Publishing Ltd.. The Journal's web site is located at http://www.wiley.com/bw/journal.asp?ref=0960-7439-
dc.relation.ispartofInternational Journal of Paediatric Dentistry-
dc.rightsThe definitive version is available at www3.interscience.wiley.com-
dc.subjectMedical sciences-
dc.subjectDentistry-
dc.titleEffect of benzalkonium chloride applicationon resin-dentine bond strengthen_US
dc.typeConference_Paperen_US
dc.identifier.emailYiu, CKY: ckyyiu@hkucc.hku.hken_US
dc.identifier.emailEpasinghe, DJ: jeevanie@hku.hken_US
dc.identifier.emailKing, NM: hhdbknm@hkucc.hku.hk-
dc.identifier.authorityYiu, CKY=rp00018en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.1111/j.1365-263X.2011.01137.x-
dc.identifier.hkuros187228en_US
dc.identifier.volume21-
dc.identifier.issuesuppl. s1-
dc.identifier.spage24-
dc.identifier.epage24-
dc.publisher.placeUnited Kingdom-
dc.description.otherThe 23rd Congress of the International Association of Paediatric Dentistry, Athens, Greece, 15-18 June 2011. In International Journal of Paediatric Dentistry, 2011, v. 21 suppl. s1, p. 24, abstract no. O09-70-

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