Analysis of Apical Root Transportation Associated with Protaper Universal F3 and F4 Instruments by Using Digital Subtraction Radiography

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dc.contributor.authorKunert, Gustavo Golgo
dc.contributor.authorCamargo Fontanella, Vania Regina
dc.contributor.authorMaranhao de Moura, Abilio Albuquerque [UNESP]
dc.contributor.authorBarletta, Fernando Branco
dc.contributor.institutionUniv Luterana Brasil ULBRA
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:30:19Z
dc.date.available2014-05-20T15:30:19Z
dc.date.issued2010-06-01
dc.description.abstractIntroduction: The aim of this study was to assess the occurrence of apical root transportation after the use of Pro Taper Universal rotary files sizes 3 (F3) and 4 (F4). Methods: Instruments were worked to the apex of the original canal, always by the same operator. Digital subtraction radiography images were produced in buccolingual and mesiodistal projections. A total of 25 radiographs were taken from root canals of human maxillary first molars with curvatures varying from 23-31 degrees. Quantitative data were analyzed by intraclass correlation coefficient and Wilcoxon nonparametric test (P = .05). Results: Buccolingual images revealed a significantly higher degree of apical transportation associated with F4 instruments when compared with F3 instruments in relation to the original canal (Wilcoxon test, P = .007). No significant difference was observed in mesiodistal images (P = .492). Conclusions: F3 instruments should be used with care in curved canals, and F4 instruments should be avoided in apical third preparation of curved canals. (J Endod 2010;36:1052-1055)en
dc.description.affiliationUniv Luterana Brasil ULBRA, Sch Dent, Canoas, RS, Brazil
dc.description.affiliationUniv São Paulo, Sch Dent, São Paulo, Brazil
dc.description.affiliationUniv Estadual Paulista, Dept Endodont, São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Endodont, São Paulo, Brazil
dc.format.extent1052-1055
dc.identifierhttp://dx.doi.org/10.1016/j.joen.2010.02.004
dc.identifier.citationJournal of Endodontics. New York: Elsevier B.V., v. 36, n. 6, p. 1052-1055, 2010.
dc.identifier.doi10.1016/j.joen.2010.02.004
dc.identifier.issn0099-2399
dc.identifier.urihttp://hdl.handle.net/11449/39732
dc.identifier.wosWOS:000278474500021
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofJournal of Endodontics
dc.relation.ispartofjcr2.886
dc.relation.ispartofsjr1,585
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectDigital radiographyen
dc.subjectendodonticsen
dc.subjectinstrumentationen
dc.subjectroot canal preparationen
dc.subjectroot transportationen
dc.titleAnalysis of Apical Root Transportation Associated with Protaper Universal F3 and F4 Instruments by Using Digital Subtraction Radiographyen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.

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