A comparison of molar root canal preparation using stainless-steel and nickel-titanium instruments

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dc.contributor.authorPorto Carvalho, Luciana Arantes
dc.contributor.authorBonetti, Idomeo [UNESP]
dc.contributor.authorGagliardi Borges, Marco Aurelio [UNESP]
dc.contributor.institutionUniversidade Federal de Uberlândia (UFU)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:19:48Z
dc.date.available2014-05-27T11:19:48Z
dc.date.issued1999-12-01
dc.description.abstractFifty-four extracted human mandibular molars were embedded and sectioned at two levels. The reassembled mesial root canals were prepared with stainless-steel hand K-files (Flexofiles) and either Nitiflex or Mity nickel-titanium hand K-files using a push-pull anticurvature filing technique. Each of the three experimental groups contained 36 mesial canals randomly distributed. Superimposed pre- and postinstrumentation cross-sectional root images were magnified using a stereomicroscope and transferred to a computer for measurement and statistical analysis. The direction and extent of canal center movement were evaluated. At the apical level, the groups produced no significant difference of direction of canal center movement. In cervical sections, all groups tended to move in a distolingual direction. The three groups, however, produced no significant difference in the cervical sections in the extent of canal center movement. In apical sections, Nitiflex produced the least canal center movement. Copyright © 1999 by The American Association of Endodontists.en
dc.description.affiliationDepartment of Endodontics Universidade Federal de Uberlândia, Uberlândia
dc.description.affiliationDepartment of Endodontics Faculdade de Odontologia de Araraquara UNESP, Araraquara
dc.description.affiliationUniversidade Federal de Uberlândia DEOCR, Av. Para, 1720-Bloco, 38405-382, Uberlândia, MG
dc.description.affiliationUnespDepartment of Endodontics Faculdade de Odontologia de Araraquara UNESP, Araraquara
dc.format.extent807-810
dc.identifierhttp://dx.doi.org/10.1016/S0099-2399(99)80302-1
dc.identifier.citationJournal of Endodontics, v. 25, n. 12, p. 807-810, 1999.
dc.identifier.doi10.1016/S0099-2399(99)80302-1
dc.identifier.issn0099-2399
dc.identifier.scopus2-s2.0-0033289813
dc.identifier.urihttp://hdl.handle.net/11449/65904
dc.identifier.wosWOS:000084020500008
dc.language.isoeng
dc.relation.ispartofJournal of Endodontics
dc.relation.ispartofjcr2.886
dc.relation.ispartofsjr1,585
dc.rights.accessRightsAcesso restrito
dc.sourceScopus
dc.subjectnickel
dc.subjectstainless steel
dc.subjecttitanium
dc.subjecttitanium nickelide
dc.subjectanalysis of variance
dc.subjectchi square distribution
dc.subjectcomparative study
dc.subjectdental equipment
dc.subjectendodontics
dc.subjecthuman
dc.subjectimage processing
dc.subjectinstrumentation
dc.subjectmandible
dc.subjectmolar tooth
dc.subjectnonparametric test
dc.subjectrandomization
dc.subjectAnalysis of Variance
dc.subjectChi-Square Distribution
dc.subjectDental Instruments
dc.subjectHumans
dc.subjectImage Processing, Computer-Assisted
dc.subjectMandible
dc.subjectMolar
dc.subjectNickel
dc.subjectRandom Allocation
dc.subjectRoot Canal Preparation
dc.subjectStainless Steel
dc.subjectStatistics, Nonparametric
dc.subjectTitanium
dc.titleA comparison of molar root canal preparation using stainless-steel and nickel-titanium instrumentsen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Odontologia, Araraquarapt

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