Effect of instrumentation techniques, irrigants solutions and artificial accelerated aging on fiberglass post bond strength to intraradicular dentine

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dc.creatorSantana, Fernanda Ribeiro
dc.creatorSoares, Carlos José
dc.creatorSilva, Júlio Almeida
dc.creatorAlencar, Ana Helena Gonçalves
dc.creatorRenovato, Sara Rodrigues
dc.creatorLopes, Lawrence Gonzaga
dc.creatorEstrela, Carlos
dc.date.accessioned2020-03-02T15:35:54Z
dc.date.available2020-03-02T15:35:54Z
dc.date.issued2015
dc.description.abstractObjective: To evaluate the effect of instrumentation techniques, irrigant solutions and specimen aging on fiberglass posts bond strength to intraradicular dentine. Materials and methods: A total of 120 bovine teeth were prepared and randomized into control and experimental groups resulting from three study factors (instrumentation techniques, irrigant solutions, specimen aging). Posts were cemented with RelyX U100. Samples were submitted to push-out test and failure mode was evaluated under a confocal microscope. Results: In specimens submitted to water artificial aging, nickel-titanium rotary instruments group presented higher bond strength values in apical third irrigated with NaOCl or chlorhexidine. Irrigation with NaOCl resulted in higher bond strength than ozonated water. Artificial aging resulted in significant bond strength increase. Adhesive cement-dentin failure was prevalent in all the groups. Conclusion: Root canal preparation with NiTi instruments associated with NaOCl irrigation and ethylenediaminetetra acetic acid (EDTA) increased bond strength of fiberglass posts cemented with self-adhesive resin cement to intraradicular dentine. Water artificial aging significantly increased postretention.Clinical significance: The understanding of factors that may influence the optimal bond between post-cement and cementdentin are essential to the success of endodontically treated tooth restoration.pt_BR
dc.identifier.citationSANTANA, Fernanda Ribeiro Santana et al. Effect of instrumentation techniques, irrigants solutions and artificial accelerated aging on fiberglass post bond strength to intraradicular dentine. The Journal of Contemporary Dental Practice, New Delhi, v. 16, n. 7, p. 523-530, 2015.  pt_BR
dc.identifier.doi10.5005/jp-journals-10024-1716
dc.identifier.issn1526-3711
dc.identifier.urihttp://repositorio.bc.ufg.br/handle/ri/18781
dc.language.isoengpt_BR
dc.publisher.countryOutrospt_BR
dc.publisher.departmentFaculdade de Odontologia - FO (RG)pt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectAgingpt_BR
dc.subjectRoot dentinpt_BR
dc.subjectBond strengthpt_BR
dc.subjectFiberglass postpt_BR
dc.subjectIrrigantpt_BR
dc.titleEffect of instrumentation techniques, irrigants solutions and artificial accelerated aging on fiberglass post bond strength to intraradicular dentinept_BR
dc.typeArtigopt_BR

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