The effects of chlorhexidine and ethanol on push-out bond strength of fiber posts

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dc.contributor.authorVictorino, Keli
dc.contributor.authorKuga, Milton
dc.contributor.authorDuarte, Marco
dc.contributor.authorCavenago, Bruno
dc.contributor.authorSó, Marcus
dc.contributor.authorPereira, Jefferson
dc.contributor.institutionSaõ Paulo State University
dc.contributor.institutionUniversity of Saõ Paulo
dc.contributor.institutionFederal University of Rio Grande Do sul
dc.contributor.institutionUniversity of Southern Santa Catarina
dc.date.accessioned2022-04-28T19:02:29Z
dc.date.available2022-04-28T19:02:29Z
dc.date.issued2016-01-01
dc.description.abstractContext: Irrigation of root canals with chlorhexidine (CHX) and ethanol is common practice to prevent root canal infection during postplacement. However, pretreatment with these solvents may interfere with the bond strength of posts. Aims: This study aimed to evaluate if root dentin pretreatment using CHX and/or ethanol influences the push-out bond strength of fiber-reinforced composite resin (FRCR) posts. Materials and Methods: Fifty space posts prepared in endodontically treated extracted human canine roots were randomly divided into five groups (n = 10) according to the dentin pretreatment: Distilled water (W); 1% CHX diacetate solution (1C); CHX diacetate + 99% ethanol (1CE); 99% ethanol (E); and 2% CHX digluconate solution (2C). After pretreatment, the adhesive system (Peak Universal Bond; Ultradent, South Jordan, UT, USA) was applied in the root dentin and the FRCR was cemented with resin cement. Then, horizontal slices of 2 mm were obtained from each root third and the push-out bond strength was assessed. Statistical analysis was done using analysis of variance (ANOVA) and Tukey′s tests (P = 0.05). Results: At all thirds, 1CE and E groups presented similar push-out bond strength values (P > 0.05), which were higher than the other groups (P < 0.05). W, 1C, and 2C groups were similar (P > 0.05). Conclusion: The root dentin pretreatment with ethanol, alone or mixed with CHX diacetate increased the bond strength of FRCR luted with resin cement.en
dc.description.affiliationDepartments of Endodontics and Restorative Dentistry Saõ Paulo State University
dc.description.affiliationAraraquara Dental School Saõ Paulo State University
dc.description.affiliationDepartment of Endodontics Bauru Dental School University of Saõ Paulo
dc.description.affiliationDepartment of Conservative Dentistry Federal University of Rio Grande Do sul
dc.description.affiliationDepartment of Prosthodontics Dental School University of Southern Santa Catarina, Rua Recife 200
dc.format.extent96-100
dc.identifierhttp://dx.doi.org/10.4103/0972-0707.173210
dc.identifier.citationJournal of Conservative Dentistry, v. 19, n. 1, p. 96-100, 2016.
dc.identifier.doi10.4103/0972-0707.173210
dc.identifier.issn0974-5203
dc.identifier.issn0972-0707
dc.identifier.scopus2-s2.0-84954467665
dc.identifier.urihttp://hdl.handle.net/11449/220540
dc.language.isoeng
dc.relation.ispartofJournal of Conservative Dentistry
dc.sourceScopus
dc.subjectChlorhexidine (CHX)
dc.subjectethanol
dc.subjectfiber post
dc.subjectresin cements
dc.titleThe effects of chlorhexidine and ethanol on push-out bond strength of fiber postsen
dc.typeArtigo

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