What Are the Risk Factors for External Root Resorption of Second Molars Associated With Impacted Third Molars? A Cone-Beam Computed Tomography Study

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dc.contributor.authorTassoker, Melek
dc.date.accessioned2024-02-23T14:12:56Z
dc.date.available2024-02-23T14:12:56Z
dc.date.issued2019
dc.departmentNEÜen_US
dc.description.abstractPurpose: In relation to an impacted third molar, which is the most frequently impacted tooth, external root resorption (ERR) or dental caries can be seen on the distal surface of the adjacent second molar. The purpose of this study was to investigate the risk factors for ERR in second molars associated with impacted third molars using cone-beam computed tomography (CBCT). Materials and Methods: In this cross-sectional study, the presence of ERR on the adjacent second molar was investigated retrospectively on sagittal and axial CBCT slices of patients who underwent CBCT examination for diagnostic reasons (surgical removal of third molars, orthodontic assessments, and so on) between 2013 and 2017 at the Necmettin Erbakan University Faculty of Dentistry, Konya, Turkey. The primary outcome variable was ERR (yes or no). Predictor variables included demographic (age and gender) and radiographic (impacted tooth angulation and tooth type) parameters. Given that there are multiple observations per patient (1 to 4 impacted teeth), 1 third molar per patient was selected at random for study inclusion. Statistical analysis was performed using descriptive statistics, the Mann-Whitney U test, and the Pearson chi(2 )test. Logistic regression analysis was used to determine the risk factors for ERR in second molars. The Cohen kappa test was used to test intraobserver agreement. The significance level was set at P < .05. Results: Two hundred patients were analyzed, and of the 200 impacted third molars evaluated, 42 (21%) showed ERR. The severity of resorption increased with aging (P < .05). Logistic regression analysis indicated that tooth type and inclination of the third molars could predict the occurrence of ERR associated with an impacted third molar (P < .05). Conclusions: Mesioangular and horizontal inclinations and impacted mandibular third molars posed a greater risk of ERR lesions in adjacent second molars than other inclinations (distoangular and vertical) and maxillary third molars. (C) 2018 American Association of Oral and Maxillofacial Surgeonsen_US
dc.identifier.doi10.1016/j.joms.2018.08.023
dc.identifier.endpage17en_US
dc.identifier.issn0278-2391
dc.identifier.issn1531-5053
dc.identifier.issue1en_US
dc.identifier.pmid30265857en_US
dc.identifier.scopus2-s2.0-85054125595en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage11en_US
dc.identifier.urihttps://doi.org/10.1016/j.joms.2018.08.023
dc.identifier.urihttps://hdl.handle.net/20.500.12452/12246
dc.identifier.volume77en_US
dc.identifier.wosWOS:000454535400008en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherW B Saunders Co-Elsevier Incen_US
dc.relation.ispartofJournal Of Oral And Maxillofacial Surgeryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subject[Keyword Not Available]en_US
dc.titleWhat Are the Risk Factors for External Root Resorption of Second Molars Associated With Impacted Third Molars? A Cone-Beam Computed Tomography Studyen_US
dc.typeArticleen_US

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