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  • Title: The value of MRI in patients with temporomandibular joint dysfunction: Correlation of MRI and clinical findings.
    Author: Vogl TJ, Lauer HC, Lehnert T, Naguib NN, Ottl P, Filmann N, Soekamto H, Nour-Eldin NE.
    Journal: Eur J Radiol; 2016 Apr; 85(4):714-9. PubMed ID: 26971413.
    Abstract:
    AIM: To estimate the correlation between the MRI findings and clinical outcomes in patients with temporomandibular joint dysfunction (TMD). METHODS AND MATERIALS: We included 546 female and 248 male patients who were clinically diagnosed with TMD (mean age 38.7 years) and examined by MRI (T1 and T2 weighted images, parasagittal and paracoronal slices). A questionnaire, radiological, and clinical findings were analysed for statistically significant correlations. The analysed parameters included gender, age, disk position, joint degeneration, arthralgia, mouth opening, condyle position and clinical progress. RESULTS: Of all TMJ's 62% showed physiological disc position, 35% anterior and 3% posterior disc position. Modification of therapy occurred in 20% and alteration of diagnosis was found in 32% of all cases. Anterior disc displacement with reduction showed a specificity of 88% and a sensitivity of 78%, whereas anterior disc displacement without reduction showed a specificity of 84% and a sensitivity of 73%. A significant correlation between disc length, condyle morphology and disc displacement was found. With the increase of intra-articular liquid as seen on MRI the level of arthralgia significantly rose as opposed to mouth opening. CONCLUSION: Specificity and sensitivity, for anterior disc displacement and osseous changes in TMJ were highly acceptable. Results had confirmed the diagnostic capability of MRI in diagnostic imaging of TMJ. Additionally MRI should be used primarily in severe, therapy-resistant cases and for surgical planning purposes.
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