{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,8]],"date-time":"2026-07-08T03:39:00Z","timestamp":1783481940902,"version":"3.55.0"},"reference-count":24,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2020,7,9]],"date-time":"2020-07-09T00:00:00Z","timestamp":1594252800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100002322","name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","doi-asserted-by":"publisher","award":["001"],"award-info":[{"award-number":["001"]}],"id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int Endodontic J"],"published-print":{"date-parts":[[2020,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>To assess the influence of artefacts generated by metal posts on the detection of simulated internal root resorption (IRR) in adjacent teeth using cone\u2010beam computed tomography (CBCT) and to verify the impact of metal artefact reduction (MAR) on these cases.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methodology<\/jats:title><jats:p>CBCT images of 14 premolar teeth were acquired before and after IRR simulation using chemical and mechanical procedures, in an OP300 Maxio unit, with and without MAR. Each tooth was placed in the socket of a human mandible and scanned under three different conditions: (i) without adjacent teeth \u2013 control group; (ii) distal adjacent tooth restored with metal post; and (iii) with both adjacent teeth restored with metal post. Five oral radiologists scored the IRR detection using a 5\u2010point scale. Diagnostic values were obtained for the tested groups and compared using two\u2010way analysis of variance (\u03b1\u00a0=\u00a00.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The presence of a single adjacent tooth restored with metal post did not significantly influence the diagnostic values for IRR detection (<jats:italic>P<\/jats:italic>\u00a0&gt;\u00a00.05). The presence of both adjacent teeth with metal posts, without MAR application, was associated with a significantly lower area under the ROC curve (Az) compared to the control (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.0182). In this case, the application of MAR increased Az, leading to nonsignificant differences from the control group and the group with one adjacent restored tooth (<jats:italic>P<\/jats:italic>\u00a0&gt;\u00a00.05). Sensitivity decreased significantly when two adjacent restored teeth were present, regardless of MAR application (<jats:italic>P<\/jats:italic>\u00a0=\u00a00.0379). Specificity was not affected by the conditions tested (<jats:italic>P<\/jats:italic>\u00a0&gt;\u00a00.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>CBCT detection of IRR was impaired by artefacts only when both adjacent teeth restored with metal posts were present. In such cases, activation of MAR improved the performance on this diagnostic task.<\/jats:p><\/jats:sec>","DOI":"10.1111\/iej.13348","type":"journal-article","created":{"date-parts":[[2020,6,14]],"date-time":"2020-06-14T20:08:36Z","timestamp":1592165316000},"page":"1299-1306","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Influence of adjacent teeth restored with metal posts in the detection of simulated internal root resorption using CBCT"],"prefix":"10.1111","volume":"53","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5087-5022","authenticated-orcid":false,"given":"H.","family":"Ga\u00eata\u2010Araujo","sequence":"first","affiliation":[{"name":"Division of Oral Radiology Department of Oral Diagnosis Piracicaba Dental School University of Campinas (UNICAMP) Piracicaba Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9088-2320","authenticated-orcid":false,"given":"E. H. L.","family":"Nascimento","sequence":"additional","affiliation":[{"name":"Division of Oral Radiology Department of Oral Diagnosis Piracicaba Dental School University of Campinas (UNICAMP) Piracicaba Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1292-3852","authenticated-orcid":false,"given":"N.","family":"Oliveira\u2010Santos","sequence":"additional","affiliation":[{"name":"Division of Oral Radiology Department of Oral Diagnosis Piracicaba Dental School University of Campinas (UNICAMP) Piracicaba Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8738-0576","authenticated-orcid":false,"given":"M. C. 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