MRI characteristics of anterior disc displacement with and without reduction

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dc.contributor.authorŞener, Sevgi
dc.contributor.authorAkgünlü, Faruk
dc.date.accessioned2020-03-26T16:55:22Z
dc.date.available2020-03-26T16:55:22Z
dc.date.issued2004
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractObjectives: The aim of this study was to investigate the differences between magnetic resonance imaging (MRI) characteristics of anterior disc displacement with reduction (ADDR) and without reduction (ADDWR). Methods: A clinician and a radiologist, blinded to the results of the clinical examination, independently evaluated the MRI scans of 100 subjects with symptoms of temporomandibular joint (TMJ) disorders. The final sample included 88 subjects in whom there was consensus of disc displacement both between observers and between MRI and clinical examination. There were 130 joints with ADDR and 45 joints with ADDWR in the study. The MRI characteristics such as position, signal intensity and morphology of the disc, degenerative changes, effusion, scar tissue, osteonecrosis and condylar hypermobility were evaluated in the cases of ADDR and ADDWR. The chi(2) test was used to determine the differences between ADDR and ADDWR for these MRI characteristics. Results: There were no significant differences between ADDR and ADDWR for effusion and degenerative changes. There were significant differences between ADDR and ADDWR for sideways displacement, disc deformation, signal intensity changes, scar tissue, osteonecrosis and condylar hypermobility. Conclusions: Degenerative changes and effusion did not appear to be markers of either ADDR or ADDWR. However, the severity of these abnormalities may be correlated with the type of internal derangement. The prevalence of sideways displacement, disc deformation, signal intensity changes, scar tissue, and osteonecrosis was greater in ADDWR than ADDR. These conditions may be considered to be indicators of more advanced and complicated stages of internal derangement. Because the percentage of subluxation was greater in ADDR, localized joint laxity and internal derangement may be correlated.en_US
dc.identifier.doi10.1259/dmfr/17738454en_US
dc.identifier.endpage252en_US
dc.identifier.issn0250-832Xen_US
dc.identifier.issue4en_US
dc.identifier.pmid15533979en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage245en_US
dc.identifier.urihttps://dx.doi.org/10.1259/dmfr/17738454
dc.identifier.urihttps://hdl.handle.net/20.500.12395/19133
dc.identifier.volume33en_US
dc.identifier.wosWOS:000225375600007en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherBRITISH INST RADIOLOGYen_US
dc.relation.ispartofDENTOMAXILLOFACIAL RADIOLOGYen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectTMJen_US
dc.subjectMRIen_US
dc.subjectanterior disc displacementen_US
dc.titleMRI characteristics of anterior disc displacement with and without reductionen_US
dc.typeArticleen_US

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