[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].

Nihon Ago Kansetsu Gakkai Zasshi Pub Date : 1989-01-01
K Kino, Y Ohmura, E Kurokawa, S Shioda
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Abstract

The fibrous connection of the discal attachment to the condyle and to the other structures around the disk was investigated histologically in order to reconfirm what Rees calls the bilaminar zone. Eleven TMJs were taken from fresh cadavers. Sections, obtained from six materials with condyle protruded, were observed. The Results were as follows: Most of the collagen fibers composing the articular disk attached to the area from the medial and lateral pole to the corner region of the posterior aspect of the condyle. But these fibers were not recognized on the posterior aspect of the condyle. A few of the fiber bundles composing the supra-lateral part of the disk were linked with the fibers of the periosteum of the lateral end of the articular tubercle. The fibers of the superficial layer of the posterior band linked with the fibers beneath the synovial membrane of the retrodiscal area, but these fibers were not observed to connect the disk with the posterior wall of the fossa. At the medial end of the disk, the elastin rich fibers originating from the petrotympanic fissure attached to the disk. There were no other fibrous structures directly connecting the disk with the posterior wall of the fossa.

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颞下颌关节椎间盘后结缔组织双层带的重新考虑。1. 椎间盘纤维与髁突及椎间盘周围成分的关系]。
从组织学上研究了椎间盘附着于髁状突和椎间盘周围其他结构的纤维连接,以再次确认Rees所说的双层带。11个颞下颌关节取自新鲜尸体。观察了六种髁突突出材料的切片。结果表明:构成关节盘的胶原纤维大部分附着在髁突后侧的内、外侧极至角区。但是这些纤维在髁状突的后面没有被发现。构成椎间盘外侧上部的少数纤维束与关节结节外侧端骨膜的纤维相连。后腱束浅层的纤维与椎间盘后区滑膜下的纤维相连,但未观察到这些纤维连接椎间盘与窝后壁。在椎间盘的中间端,来自石油鼓室裂的富含弹性蛋白的纤维附着在椎间盘上。没有其他纤维结构直接连接椎间盘与窝后壁。
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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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