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KMID : 0353319910150010205
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Oral Biology Research
1991 Volume.15 No. 1 p.205 ~ p.215
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A Study on the mandibular asymmetry of the patients with the temporomandibular dysfunction
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Shin Joung-Il
Kay Kee-Sung
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Abstract
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The purpose of this study was to analyze the mandibular asymmetry of the patients with the temporomandibular dysfunction.
In this study, 20 dental students aged between 22 and 27 years,Chosun University,who did not posses any restoration and symptoms like the temporomandibular joint click, pain, and opening limitation of the mandible were selected as the normal group. And 80 patients ´who were analyzed into the patients with the temporomadibular dysfunction(TMD) were divided into group I as the internal derangement and group II as external derangement.
Both the normal group and the TMD Group were taken submento-vertez cephalog, by routine methods.After that, the unilateral mandibular length(L) and the amount mandibular asymmetry and deviation were measured and analyzed.
4 The results were as follows:
1. Unilateral mandibular length(L) of the normal group and the TMD group were 112.7 f 10.20 mm and 102.65 8.10 mm respectively ( P < 0.01 ).
2. The amount of mandibular asymmetry of the normal group and the TMD group were 5.95 t 4.63 mm and 5.68 t 4.35 mm respectively ( P < 0.5 ).
3. The amount of mandibular deviation of the normal group and the TMD group were 6.00 f 4.07 mm and 4.67 f 3.40 mm respectively ( P < 0.3 ).
4. In the TMD group, unilateral mandibular length(L) in the affected site and the non. affected site were 102.73 8.68 mm and 102.53 t 7.68 mm respectively ( P < 0.5 ).
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