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Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/46288
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dc.creatorMonize Ferreira Figueiredo de Carvalhopt_BR
dc.creatorMonica Yamautipt_BR
dc.creatorCláudia Silami de Magalhãespt_BR
dc.creatorAline Aredes Bicalhopt_BR
dc.creatorCarlos José Soarespt_BR
dc.creatorAllyson Nogueira Moreirapt_BR
dc.date.accessioned2022-10-18T00:09:53Z-
dc.date.available2022-10-18T00:09:53Z-
dc.date.issued2020-03-27-
dc.citation.volume34pt_BR
dc.citation.spage1pt_BR
dc.citation.epage11pt_BR
dc.identifier.doi10.1590/1807-3107bor-2020.vol34.0020pt_BR
dc.identifier.issn18073107pt_BR
dc.identifier.urihttp://hdl.handle.net/1843/46288-
dc.description.resumoThis in vitro study aimed to assess the effects of different pretreatments used to adapt glass-fiber posts cemented to root canals with different resin cements, regarding porosity percentage and bond strength. Twelve bovine incisor roots were prepared with Largo drills. After post space preparation, the specimens were randomized into two types of pretreatment groups (n = 3): water-wet bonding and ethanol-wet bonding. After the post were cemented, the roots were stored in 100% humidity at room temperature for 7 days. The samples were scanned by microcomputed tomography (micro-CT). Images were reconstructed by NRecon software, and CTAn software was used to analyze the porosity percentage (%) at the luting interface. Evaluation of the push-out bond strength was performed by serially cutting the roots, and submitting the slices to testing. Additionally, the resin cement post-gel shrinkage values (%) were measured using the strain-gauge method (n = 10). Data were analyzed by two-way ANOVA, Tukey's test and Student's t test (a = 0.05). The roots prepared with ethanol-wet bonding using RelyX™ U200 had significantly lower porosity in the coronal and apical thirds (p < 0.05). The group prepared with ethanol-wet bonding using RelyX™ ARC presented better bond strength results in the coronal and apical thirds (p < 0.05). RelyX™ ARC (0.97%) produced a higher post-gel shrinkage value than RelyX™ U200 (0.77%). Canals pretreated with ethanol-wet bonding presented better outcomes in regard to porosity percentage and push-out bond strengthpt_BR
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológicopt_BR
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Geraispt_BR
dc.format.mimetypepdfpt_BR
dc.languageengpt_BR
dc.publisherUniversidade Federal de Minas Geraispt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentFAO - DEPARTAMENTO DE ODONTOLOGIA RESTAURADORApt_BR
dc.publisher.initialsUFMGpt_BR
dc.relation.ispartofBrazilian Oral Researchpt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectDental Bondingpt_BR
dc.subjectX-Ray Microtomographypt_BR
dc.subjectResin cementspt_BR
dc.subject.otherX-ray microtomographypt_BR
dc.subject.otherResin cementspt_BR
dc.subject.otherDental bondingpt_BR
dc.subject.otherEthanolpt_BR
dc.subject.otherPorositypt_BR
dc.subject.otherRoot canal therapypt_BR
dc.titleEffect of ethanol-wet bonding on porosity and retention of fiberglass post to root dentinpt_BR
dc.typeArtigo de Periódicopt_BR
dc.url.externahttps://www.scielo.br/j/bor/a/dyHgXkhPbkFYGkdRGrbKDSx/?lang=enpt_BR
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