[Relationship of TMJ sounds and mandibular movements].

Nihon Ago Kansetsu Gakkai Zasshi Pub Date : 1989-01-01
N Yokoyama, A Sawada, T Yamaguchi, M Maruyama, T Kimura, Y Uchiyama
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Abstract

TMJ sounds are very important for diagnosing the state of TMJ and for evaluation of the effect of treatment. We made a report on a recording system of TMJ sounds and mandibular movement which objectively can evaluate the relationship between TMJ sounds and mandibular movement. This time we recorded and analyzed the TMJ sounds and mandibular movement under following condition. 1. Opening and closing the mandibular on some regulated velocity. 2. Opening and closing the mandibular after clenching. Conclusion 1. In case of changing habitual opening velocity, there were significantly different position of clicking in the most of TMJ disorders patients. Especially with the increasing of the velocity, the position of closing clicking tended to come near the closed condyle position. 2. The amplitude of clicking sound increased very much at the time of opening stage after clenching on the non clicking side.

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下颌关节发声与下颌运动的关系。
TMJ的声音对诊断TMJ的状态和评价治疗效果具有重要意义。本文报道了一种颞下颌关节声音与下颌运动的记录系统,该系统可以客观地评价颞下颌关节声音与下颌运动的关系。这次我们记录并分析了在以下条件下颞下颌关节的声音和下颌运动。1. 以一定的速度打开和关闭下颌骨。2. 咬合后打开和关闭下颌。结论1。在习惯打开速度改变的情况下,大多数TMJ障碍患者咔嗒的位置有显著差异。特别是随着速度的增加,闭锁咔嗒声的位置趋向于靠近闭锁髁的位置。2. 在非咔嗒侧握紧后,在开启阶段咔嗒声的振幅增加了很多。
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[Reconsideration of the bilaminar zone in the retrodiscal connective tissue of the TMJ. 1. Relation between discal fiber and the condyle and components around the disk]. [Reconsideration of the bilaminar zone in the retrodiscal connective tissue of the TMJ. 2. Fibrous structure of the retrodiscal connective tissue and relation between those fibers and the disk]. [Arthrographic investigation for the disk configuration with closed lock of the temporomandibular joint]. [Clinical studies on TMJ arthrosis in young people. A study of dental axis of lower molar teeth]. [Electromyographic study on lateral jaw movements].
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