Evaluation of simulated external root resorptions with digital radiography and digital subtraction radiography

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dc.contributor.authorOno, Evelise [UNESP]
dc.contributor.authorMedici Filho, Edmundo [UNESP]
dc.contributor.authorLeite, Horacio Faig [UNESP]
dc.contributor.authorOshiro Tanaka, Jefferson Luis [UNESP]
dc.contributor.authorLeonelli de Moraes, Mari Eli [UNESP]
dc.contributor.authorDe Melo Castilho, Julio Cezar [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T14:04:24Z
dc.date.available2014-05-20T14:04:24Z
dc.date.issued2011-03-01
dc.description.abstractIntroduction: Root resorption can cause damage in orthodontic patients. Digital subtraction radiography (DSR) is a useful resource for the detection of mineral losses. The purpose of this study was to compare the efficacy of digital radiography (DR) and DSR in detecting simulated external root resorption. Examiner agreement between the 2 techniques was also evaluated. Methods: Root resorptions of various sizes were simulated on the apical and lingual aspects of 49 teeth from 9 dry human mandibles. The teeth were radiographed in standardized conditions. The radiographs were registered with Regeemy Image Registration and Mosaicking (version 0.2.43-RCB, DPI-INPE, Sao Jose dos Campos, São Paulo, Brazil) and subtracted with Image Tool (University of Texas Health Science Center at San Antonio). The subtracted images and the digital radiographs were evaluated by 3 oral radiologists. Results: No statistically significant differences were found for the methods in the detection of apical root resorptions, independently from lesion size, and of lingual resorptions of 1.2 mm or greater. DSR was significantly better than DR for detection of lingual resorptions up to 1 mm. Resorptions less than 0.5 mm were not precisely detected by either method. DSR provided better intraexaminer and interexaminer agreement than did DR. Conclusions: Both methods are precise for detection of apical root resorptions as small as 0.5 mm and lingual resorptions of 1 mm or more. However, DSR frequently performed better than did DR. (Am J Orthod Dentofacial Orthop 2011;139:324-33)en
dc.description.affiliationSão Paulo State Univ, Sao Jose dos Campos Dent Sch, Dept Oral Diag & Surg, São Paulo, Brazil
dc.description.affiliationSão Paulo State Univ, Sao Jose dos Campos Dent Sch, Dept Biosci & Oral Diagnost, São Paulo, Brazil
dc.description.affiliationUnespSão Paulo State Univ, Sao Jose dos Campos Dent Sch, Dept Oral Diag & Surg, São Paulo, Brazil
dc.description.affiliationUnespSão Paulo State Univ, Sao Jose dos Campos Dent Sch, Dept Biosci & Oral Diagnost, São Paulo, Brazil
dc.format.extent324-333
dc.identifierhttp://dx.doi.org/10.1016/j.ajodo.2009.03.046
dc.identifier.citationAmerican Journal of Orthodontics and Dentofacial Orthopedics. New York: Mosby-elsevier, v. 139, n. 3, p. 324-333, 2011.
dc.identifier.doi10.1016/j.ajodo.2009.03.046
dc.identifier.issn0889-5406
dc.identifier.lattes3885663349001899
dc.identifier.urihttp://hdl.handle.net/11449/22595
dc.identifier.wosWOS:000288158100023
dc.language.isoeng
dc.publisherMosby-elsevier
dc.relation.ispartofAmerican Journal of Orthodontics and Dentofacial Orthopedics
dc.relation.ispartofjcr1.842
dc.relation.ispartofsjr1,289
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleEvaluation of simulated external root resorptions with digital radiography and digital subtraction radiographyen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderMosby-elsevier
unesp.author.lattes3885663349001899
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Ciência e Tecnologia, São José dos Campospt

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Artigos - Diagnóstico e Cirurgia - ICT