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Comparative radiographic and histological analyses of periapical lesion development

dc.contributor.authorTanomaru-Filho, Mario [UNESP]
dc.contributor.authorJorge, E. G. [UNESP]
dc.contributor.authorDuarte, M. A. H.
dc.contributor.authorGonçalves, Marcelo [UNESP]
dc.contributor.authorGuerreiro-Tanomaru, J. M. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-20T13:45:33Z
dc.date.available2014-05-20T13:45:33Z
dc.date.issued2009-03-01
dc.description.abstractObjective. The present study evaluated the dynamics of the development of periapical lesions.Study design. Root canals from dogs' teeth were exposed to the oral environment, and then sealed for 7 days (Group A), 15 days (Group B), 30 days (Group C), and 60 days (Group D). After each experimental period, radiographs were taken to detect periapical bone resorption. In addition, histological sections from the periapical region were prepared. The radiographic and histological results were analyzed by ANOVA and Tukey's, Wilcoxon, and Pearson's tests. Significance level was set at 5%.Results. Lesions were radiographically visible at 15 and 30 days, and had similar size at these periods (P > .05). At 60 days, lesions were larger than in the other periods (P < .05). Bone resorption was detected histologically at 7 days. The greatest values of bone resorption were observed at the 30- and 60-day periods (P < .05). The results of the methods of evaluation were similar only at the 30-day period. There was no correlation between the radiographic and histological results.Conclusions. Periapical radiography did not provide detection of periapical lesion in its initial stages. The periapical lesions became more evident radiographically when the bone resorption area increased. (Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2009;107:442-447)en
dc.description.affiliationUNESP, Araraquara Dent Sch, Araraquara, SP, Brazil
dc.description.affiliationSagrado Coracao Univ USC, Bauru Dent Sch, Bauru, SP, Brazil
dc.description.affiliationUnespUNESP, Araraquara Dent Sch, Araraquara, SP, Brazil
dc.format.extent442-447
dc.identifierhttp://dx.doi.org/10.1016/j.tripleo.2008.12.009
dc.identifier.citationOral Surgery Oral Medicine Oral Pathology Oral Radiology and Endodontology. New York: Mosby-elsevier, v. 107, n. 3, p. 442-447, 2009.
dc.identifier.doi10.1016/j.tripleo.2008.12.009
dc.identifier.issn1079-2104
dc.identifier.lattes1067437159861527
dc.identifier.urihttp://hdl.handle.net/11449/16035
dc.identifier.wosWOS:000263295000023
dc.language.isoeng
dc.publisherMosby-elsevier
dc.relation.ispartofOral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology
dc.rights.accessRightsAcesso restritopt
dc.sourceWeb of Science
dc.titleComparative radiographic and histological analyses of periapical lesion developmenten
dc.typeArtigopt
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderMosby-elsevier
dspace.entity.typePublication
relation.isDepartmentOfPublication901124bf-5736-4432-b057-7c29dec84b50
relation.isDepartmentOfPublication.latestForDiscovery901124bf-5736-4432-b057-7c29dec84b50
relation.isOrgUnitOfPublicationca4c0298-cd82-48ee-a9c8-c97704bac2b0
relation.isOrgUnitOfPublication.latestForDiscoveryca4c0298-cd82-48ee-a9c8-c97704bac2b0
unesp.author.lattes1067437159861527
unesp.author.orcid0000-0003-3051-737X[3]
unesp.author.orcid0000-0002-2574-4706[1]
unesp.author.orcid0000-0003-0446-2037[5]
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Odontologia, Araraquarapt
unesp.departmentOdontologia Restauradora - FOARpt

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