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Article: Effect of chemomechanical caries removal on bonding of self-etching adhesives to caries-affected dentin

TitleEffect of chemomechanical caries removal on bonding of self-etching adhesives to caries-affected dentin
Authors
Issue Date2014
Citation
Journal of Adhesive Dentistry, 2014, v. 16, p. 507-516 How to Cite?
AbstractPURPOSE: To evaluate the effect of enzyme-based (Papacárie) and sodium-hypochlorite-based (Carisolv) chemomechanical caries removal methods on bonding of self-etching adhesives to caries-affected dentin, in comparison to the standard rotary-instrument caries removal method. MATERIALS AND METHODS: Seventy-eight carious permanent molars exhibiting frank cavitation into dentin were used. Forty-eight teeth were randomly divided into three groups, according to the caries excavation methods: (i) Papacárie, (ii) Carisolv and (iii) a round steel bur. After caries removal, each group was subdivided into two groups for two-step (Clearfil SE Bond) or one-step (Clearfil S3 Bond) self-etching adhesive application and resin composite buildups. Bonded specimens were sectioned into beams for microtensile bond strength testing. Bond strength data were analyzed using three-way ANOVA and Tukey's test. For interfacial nanoleakage evaluation using a field-emission scanning electron microscope, caries was similarly removed from the remaining thirty carious molars, bonding was performed as for bond strength testing, and the teeth were sectioned. RESULTS: RESULTS of three-way ANOVA revealed that bond strength was significantly affected by "adhesive" (p<0.001) and "dentin" (p<0.001), but not "caries excavation methods" (p>0.05). The bond strength of the two-step self-etching adhesive was significantly higher than that of the one-step self-etching adhesive (p<0.001). Conversely, the bond strength of self-etching adhesives to sound dentin was significantly higher than to residual caries-affected dentin (p<0.001). Greater silver penetration was observed in the bonded interfaces of residual caries-affected dentin and in interfaces bonded with the one-step self-etching adhesive vs those bonded with the two-step self-etching adhesive. CONCLUSION: Chemomechanical caries removal did not affect the bonding of self-etching adhesives to caries-affected dentin as compared to caries excavation with rotary instruments.
Persistent Identifierhttp://hdl.handle.net/10722/215062
ISSN
2015 Impact Factor: 1.594
2015 SCImago Journal Rankings: 0.486

 

DC FieldValueLanguage
dc.contributor.authorHamama, HHHE-
dc.contributor.authorYiu, CKY-
dc.contributor.authorBurrow w, MFF-
dc.date.accessioned2015-08-21T12:22:55Z-
dc.date.available2015-08-21T12:22:55Z-
dc.date.issued2014-
dc.identifier.citationJournal of Adhesive Dentistry, 2014, v. 16, p. 507-516-
dc.identifier.issn1461-5185-
dc.identifier.urihttp://hdl.handle.net/10722/215062-
dc.description.abstractPURPOSE: To evaluate the effect of enzyme-based (Papacárie) and sodium-hypochlorite-based (Carisolv) chemomechanical caries removal methods on bonding of self-etching adhesives to caries-affected dentin, in comparison to the standard rotary-instrument caries removal method. MATERIALS AND METHODS: Seventy-eight carious permanent molars exhibiting frank cavitation into dentin were used. Forty-eight teeth were randomly divided into three groups, according to the caries excavation methods: (i) Papacárie, (ii) Carisolv and (iii) a round steel bur. After caries removal, each group was subdivided into two groups for two-step (Clearfil SE Bond) or one-step (Clearfil S3 Bond) self-etching adhesive application and resin composite buildups. Bonded specimens were sectioned into beams for microtensile bond strength testing. Bond strength data were analyzed using three-way ANOVA and Tukey's test. For interfacial nanoleakage evaluation using a field-emission scanning electron microscope, caries was similarly removed from the remaining thirty carious molars, bonding was performed as for bond strength testing, and the teeth were sectioned. RESULTS: RESULTS of three-way ANOVA revealed that bond strength was significantly affected by "adhesive" (p<0.001) and "dentin" (p<0.001), but not "caries excavation methods" (p>0.05). The bond strength of the two-step self-etching adhesive was significantly higher than that of the one-step self-etching adhesive (p<0.001). Conversely, the bond strength of self-etching adhesives to sound dentin was significantly higher than to residual caries-affected dentin (p<0.001). Greater silver penetration was observed in the bonded interfaces of residual caries-affected dentin and in interfaces bonded with the one-step self-etching adhesive vs those bonded with the two-step self-etching adhesive. CONCLUSION: Chemomechanical caries removal did not affect the bonding of self-etching adhesives to caries-affected dentin as compared to caries excavation with rotary instruments.-
dc.languageeng-
dc.relation.ispartofJournal of Adhesive Dentistry-
dc.titleEffect of chemomechanical caries removal on bonding of self-etching adhesives to caries-affected dentin-
dc.typeArticle-
dc.identifier.emailYiu, CKY: ckyyiu@hkucc.hku.hk-
dc.identifier.authorityYiu, CKY=rp00018-
dc.identifier.doi10.3290/j.jad.a33250-
dc.identifier.hkuros250096-
dc.identifier.volume516-
dc.identifier.spage507-
dc.identifier.epage16-

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