Clinical and Magnetic Resonance Evaluation of "stuck disc" of the Temporomandibular Joint
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概要
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The purpose of this study was to document the frequency, chinical findings, as well as magnetic resonance images (MRI) findings of the "stuck disc (SD)" of the TMJ. Clinical finding including the duration of trismus, joint pain, joint sound, and degree of mouth opening, MRI finding including disc position, disc reduction, disc shape, degree of disc displacement, bone changes of condyle and condylar translation. An analysis of the 525 TMJs in 410 symptomatic patients was carried out. Of the 525 joints, 138 (26.3%) had SD. In the age distribution, teen agers group had high frequency of SD, and over 60 years group had low one. In clinical findings, significant correlation in the incidence of SD existed in joint sound (p<0.01) and degree of mouth opening (p<0.0001). There were no statistically significant association between the incidence of SD and joint pain. And in MRI findings, existed in disc reduction (p<0.001), disc shape (p<0.001) and condylar translation (p<0.0001). There were no statistically significant association between the incidence of SD and condylar shape.
- 一般社団法人 日本顎関節学会の論文
一般社団法人 日本顎関節学会 | 論文
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