:Clinical survey for the last 4 years
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概要
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The relationship between temporomandibular symptoms at initial visit and magnetic resonance imaging (MRI) in the temporomandibular joint (TMJ) was investigated.<BR>Subjects were 117 patients diagnosed as having temporomandibular disorder to be examined by MRI in the TMJ region for the four-year period from January 1999 to December 2002 in the Department of Fixed Prosthodontics, Iwate Medical University Dental Hospital.<BR>Partial disagreement was found between the symptomatic side and disc dislocation side of TMJ from the results of MRI and the clinical examination.<BR>The mouth opening range in the bilateral disc displacement with reduction group was 43.4mm on average, showing a significantly wider range than the bilateral disc displacement without reduction group (27.0mm; p<0.01, Scheffe's F test) and unilateral disc displacement without reduction group (36.9mm; p<0.05, Scheffe's F test).<BR>These results suggest that limitation on mouth opening can be caused by restriction of condylar translation and/or possible pain generated by compressing retrodiscal tissue due to disc displacement without reduction.
- 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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