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Artifacts in brain magnetic resonance imaging due to metallic dental objects

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Artifacts in brain magnetic resonance imaging due to metallic dental objects

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dc.contributor.author Costa,André Luiz Ferreira es
dc.contributor.author Appenzeller,Simone es
dc.contributor.author Yasuda,Clarissa Lin es
dc.contributor.author Pereira,Fabrício Ramos Silvestre es
dc.contributor.author Zanardi,Verônica A. es
dc.contributor.author Cendes,Fernando es
dc.date.accessioned 2023-06-22T12:12:37Z
dc.date.available 2023-06-22T12:12:37Z
dc.date.issued 2009 es
dc.identifier.citation Costa AL, Appenzeller S, Yasuda CL, Pereira FR, Zanardi VA, Cendes F. Artifacts in brain magnetic resonance imaging due to metallic dental objects. Med Oral Patol Oral Cir Bucal. 2009 Jun 1;14(6):E278-82. es
dc.identifier.uri https://hdl.handle.net/10550/88469
dc.description.abstract Objective: Artifacts caused by metallic objects, such as dental crowns, dental implants and metallic orthodontic appliances, are a common problem in head and neck MRI. The aim of this retrospective study was to identify the main metal dental objects that produce artifacts on brain MRIs.Study design: Imaged metallic artifacts and their sources were identifi ed. Artifact image plane was rated on a score of 0 or 1 (0 - distinguishable for diagnosis and 1 - not distinguishable for diagnosis).Results: Seventy-eight percent of the artifacts appearing in images were caused by orthodontic appliances, followed by dental titanium implants (18%) and metallic crowns (4%). Orthodontic appliances obtained the highest scores in all planes.Conclusions: We concluded that is diffi cult to avoid the effect of metallic artifacts in the maxillofacial regions on brain scan. Removing metallic parts of the orthodontic appliance should ensure diagnostically useful quality scans. es
dc.title Artifacts in brain magnetic resonance imaging due to metallic dental objects es
dc.type journal article es_ES
dc.subject.unesco UNESCO:CIENCIAS MÉDICAS es
dc.type.hasVersion VoR es_ES
dc.identifier.url http://www.medicinaoral.com/medoralfree01/v14i6/medoralv14i6p278.pdf

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