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应用扫描电镜时正常咬合和后牙咬合创伤后成年家大和恒河猴的关节盘进行了表面形态观察,对正常家犬关节盘进行拉伸生物力学试验,并讨论了关节盘的渗透性、表面形态结构与关节润滑的关系.作者认为:关节盘表面微观波纹能储留滑液凝胶,增加间隙液流动面积,阻止液膜流失等作用,补偿了关节盘的低渗透性,从而帮助关节润滑。后牙咬合创伤能引起关节盘表面超微结构的改变,破坏正常润滑机制,加速表面组织的磨损、剥脱。
Application of scanning electron microscopy normal occlusion and posterior teeth occlusion trauma adult males and rhesus monkey disc surface morphology observation of normal dog articular disc tensile biomechanical test and discuss the disc permeability, surface Relationship Between Morphology and Joint Lubrication. The authors believe that the micro-corrugation on the surface of the articular disk can retain the synovial fluid, increase the flow area of the interstitial fluid and prevent the loss of the liquid film, thus compensating for the low permeability of the articular disc, thereby helping the joint to be lubricated. Tooth occlusal trauma can cause changes in the ultrastructure of the disc surface, destroy the normal lubrication mechanism to accelerate the wear and tear of surface tissue, exfoliation.