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dc.contributor.CRUESPUniversidade Estadual de Campinaspt_BR
dc.typeArtigo de periódicopt_BR
dc.titleEffect of different filling materials in combination with intraradicular posts on the resistance to fracture of weakened rootspt_BR
dc.contributor.authorMarchi, GMpt_BR
dc.contributor.authorPaulillo, LAMSpt_BR
dc.contributor.authorPimenta, LAFpt_BR
dc.contributor.authorDe Lima, FAPpt_BR
unicamp.authorUniv Campinas, Sch Dent Piracicba, Dept Restorat Dent, BR-13414900 Piracicaba, SP, Brazil Univ Parana, Dept Restorat Dent, Sch Dent Umuarama, Parana, Brazilpt_BR
dc.subjectendodontically treated teethpt_BR
dc.subjectweakened rootspt_BR
dc.subjectmorphologic reconstructionpt_BR
dc.subjectrestorative adhesive materialspt_BR
dc.subjectprefabricated postpt_BR
dc.subjectresistance to fracturept_BR
dc.subject.wosEndodontically Treated Teethpt_BR
dc.subject.wosPulpless Teethpt_BR
dc.subject.wosIn-vitropt_BR
dc.subject.wosRestorationpt_BR
dc.subject.wosDesignpt_BR
dc.description.abstractThe preservation and restoration of severely weakened pulpless teeth is a difficult and relatively unpredictable procedure. This study evaluated the resistance to fracture of experimentally weakened bovine roots internally reconstructed with different filling materials in combination with prefabricated post compared with restored roots that were relatively intact. The roots of 75 mandibular bovine incisors with similar bulks were selected. Of these, 60 were internally prepared to standardized dimensions, thereby simulating weakness. All roots were filled with different restorative materials. The specimens were submitted to the fracture resistance testing with the application of a tangential compressive loading at an angle of 135degrees in relation to the long axes of the roots. Results indicated statistically significant differences in relation to the root conditions. Weakened roots were less resistant to fracture than were controls. The roots restored with the resin cement demonstrated the lowest fracture resistance values, but statistically significant differences were observed only when compared with those restored by the resin-modified glass-ionomer cement. Resin-modified glass-ionomer cement, polyacid-modified resin composite and resin composite behaved similarly without statistically significant differences among them. None of the materials evaluated were capable of achieving the fracture resistance recorded for unweakened controls.pt
dc.relation.ispartofJournal Of Oral Rehabilitationpt_BR
dc.relation.ispartofabbreviationJ. Oral Rehabil.pt_BR
dc.publisher.cityOxfordpt_BR
dc.publisher.countryInglaterrapt_BR
dc.publisherBlackwell Publishing Ltdpt_BR
dc.date.issued2003pt_BR
dc.date.monthofcirculationJUNpt_BR
dc.identifier.citationJournal Of Oral Rehabilitation. Blackwell Publishing Ltd, v. 30, n. 6, n. 623, n. 629, 2003.pt_BR
dc.language.isoenpt_BR
dc.description.volume30pt_BR
dc.description.issuenumber6pt_BR
dc.description.firstpage623pt_BR
dc.description.lastpage629pt_BR
dc.rightsfechadopt_BR
dc.sourceWeb of Sciencept_BR
dc.identifier.issn0305-182Xpt_BR
dc.identifier.wosidWOS:000183080700010pt_BR
dc.identifier.doi10.1046/j.1365-2842.2003.00990.xpt_BR
dc.date.available2014-11-19T10:25:02Z
dc.date.available2015-11-26T17:05:02Z-
dc.date.accessioned2014-11-19T10:25:02Z
dc.date.accessioned2015-11-26T17:05:02Z-
dc.description.provenanceMade available in DSpace on 2014-11-19T10:25:02Z (GMT). No. of bitstreams: 1 WOS000183080700010.pdf: 184139 bytes, checksum: 8aef2fd2d8d4435ea9739b2661bed90a (MD5) Previous issue date: 2003en
dc.description.provenanceMade available in DSpace on 2015-11-26T17:05:02Z (GMT). No. of bitstreams: 2 WOS000183080700010.pdf: 184139 bytes, checksum: 8aef2fd2d8d4435ea9739b2661bed90a (MD5) WOS000183080700010.pdf.txt: 27802 bytes, checksum: 7b85989f394cf59ae216b17667f6c0d2 (MD5) Previous issue date: 2003en
dc.identifier.urihttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/63861pt_BR
dc.identifier.urihttp://www.repositorio.unicamp.br/handle/REPOSIP/63861
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/63861-
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