Evaluation of artifacts generated by titanium, zirconium, CT, and CBCT images: A phantom study

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dc.authorid0000-0002-4205-861X
dc.authorid0000-0003-0819-4578
dc.contributor.authorKocasaraç, Hüsniye Demirtürk
dc.contributor.authorUstaoğlu, Gülbahar
dc.contributor.authorBayrak, Seval
dc.contributor.authorKatkar, Rujuta
dc.contributor.authorGeha, Hassem
dc.contributor.authorDeahl, S. Thomas, II
dc.contributor.authorMealey, Brian L.
dc.date.accessioned2021-06-23T19:51:38Z
dc.date.available2021-06-23T19:51:38Z
dc.date.issued2019
dc.departmentBAİBÜ, Diş Hekimliği Fakültesi, Periodontoloji Ana Bilim Dalıen_US
dc.description.abstractObjective. The aim of this study was to assess artifacts generated by zirconium, titanium, and titanium-zirconium alloy implants on magnetic resonance imaging(MRI), computed tomography(CT), and cone beam computed tomography(CBCT) and to correlate the findings to the dose-area product and exposure factors on CT and CBCT. Study Design. Three phantoms were built by embedding zirconium, titanium, and titanium-zirconium implants in ultrasound gel. MRI, CT, and CBCT images were acquired by using multiple sequences and settings. For MRI, "artifact" was described as the length of signal void beyond the limits of the implant. For CT and CBCT, "artifact" was calculated by subtracting the gray level of the darkest pixel from the level of the lightest pixel. Results. On MRI, zirconium implants had minor distortion artifacts, whereas titanium and titanium-zirconium implants created extensive artifacts (P < .05). On CT and CBCT, artifacts were less prominent with titanium and titanium-zirconium implants compared with zirconium (P < .05). Titanium grade 5 implants with 0.3 and 0.4 mm(3) voxels produced the least severe artifacts. Conclusions. MRI images were less affected by artifacts from zirconium implants, whereas CT and CBCT images showed less severe artifacts from titanium and titanium-zirconium alloy implants. CT generated greater artifacts compared with CBCT. Larger CBCT voxel sizes reduced the dose-area product and the severity of artifacts.en_US
dc.identifier.doi10.1016/j.oooo.2019.01.074
dc.identifier.endpage544en_US
dc.identifier.issn2212-4403
dc.identifier.issn1528-395X
dc.identifier.issue6en_US
dc.identifier.pmid30879914en_US
dc.identifier.scopus2-s2.0-85062828744en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage535en_US
dc.identifier.urihttps://doi.org/10.1016/j.oooo.2019.01.074
dc.identifier.urihttps://hdl.handle.net/20.500.12491/10022
dc.identifier.volume127en_US
dc.identifier.wosWOS:000468189100013en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorUstaoğlu, Gülbahar
dc.institutionauthorBayrak, Seval
dc.language.isoenen_US
dc.publisherElsevier Science Incen_US
dc.relation.ispartofOral Surgery Oral Medicine Oral Pathology Oral Radiologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCBCT imagesen_US
dc.titleEvaluation of artifacts generated by titanium, zirconium, CT, and CBCT images: A phantom studyen_US
dc.typeArticleen_US

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