Journal
CRANIO-THE JOURNAL OF CRANIOMANDIBULAR & SLEEP PRACTICE
Volume -, Issue -, Pages -Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/08869634.2023.2203039
Keywords
Magnetic Resonance Imaging; Temporomandibular disorders; Temporomandibular joint disc; Osteoarthritis; cross-sectional study
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This study investigated the changes in MRI of TMJ with anterior displacement disk without reduction (DDwoR) and its correlation to clinical symptoms. The results showed that TMJ degeneration, effusion, disc's shape and position were associated with pain's intensity and chronicity.
ObjectivesThis study examined changes in magnetic resonance imaging (MRI) of temporomandibular joints (TMJ) with anterior displacement disk without reduction (DDwoR) and its correlation to clinical symptoms.Methods190 individuals with DDwoR were evaluated according to Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) and MRI. Pain's chronicity/intensity and limited mouth opening (locking) were correlated with: TMJ degeneration (MRI T1), effusion (T2), disc's shape and position (proton density).ResultsIn 103 TMJ with DDwoR, hemiconvex shape (41.6%), sclerosis (45.6%) and mild effusion (47.6%) were the most prevalent findings. There was not association (p > .05) between: different DDwoR positions with pain's intensity/chronicity; effusion with locking. Disk deformation was associated with degeneration (p = .034) and pain's intensity (p = .006). Locking was associated with degeneration (p = .05).ConclusionsCondylar osteodegeneration is often related to DDwoR. Locking by DDwoR is associated with severe levels of chronic pain and articular disk deformation.
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