颞下颌关节盘前移后双板区改建的实验研究

华西口腔医学杂志

颞下颌关节盘前移后双板区改建的实验研究

谷志远,冯剑颖,詹静,吴慧玲,柴田·考典

310006 浙江大学医学院附属口腔医院(谷志远，冯剑颖，詹静)，浙江大学医学院附属第一医院(吴慧玲)，日本山形大学(柴田·考典)

收稿日期:2002-12-25 修回日期:2002-12-25 出版日期:2002-12-20 发布日期:2002-12-20

The Experimental Study on Remodeling in the Bilaminar Zone of Temporomandibular Joint Following Disc Displacement

Gu Zhiyuan, Feng Jianying, Zhan Jin ,et al.

Gu Zhiyuan, Feng Jianying, Zhan Jin Dental Hospital, College of Medicine , Zhejiang UniversityWu Huiling The First Affiliated Hospital, College of Medicine, Zhejiang UniversityShibata Takanori School of Medicine, Yamagata University, Japan

Received:2002-12-25 Revised:2002-12-25 Online:2002-12-20 Published:2002-12-20

摘要/Abstract

摘要：

目的:探讨关节盘前移后双板区的适应性改建。方法:日本大白兔30只,先制作成关节盘前移位动物模型,定期处死,取关节标本作HE染色、阿尔辛蓝、间苯二酚-品红染色、细胞凋亡检查和蛋白多糖含量测量。结果:在关节盘移位的初期,双板区即发生细胞凋亡,胶原纤维和弹力纤维排列紊乱、断裂;蛋白多糖先是急剧下降,然后缓慢上升。4周后,双板区内可出现软骨样细胞或典型的软骨组织。结论:双板区在关节盘移位后会进行重构,使之成为类似纤维软骨样组织。

关键词: 颞下颌关节, 关节盘移位, 双板区, 适应性改建

Abstract:

Objective:The purpose of this study was to study the adaptive alterations in the bilaminar zone (BZ) of temporomandibular joint following disc displacement. Methods: Thirty Japanese white rabbits were used in this study. The right joints of 24 rabbits were subjected to surgical disc displacement (DD) . The sections were studied using hematoxylin and eosin, Alcin bluin and Res-orcin-fuchsin staining, and in situ detection of apoptosis.Results: Apoptotic chondrocytes in bilaminar zone were most obviously at 1 or 2 weeks after operation. Following alterations could be also found in bilaminar zones using microscopy: derangement, fragment, hylination of collagen fibers and diminution in the number of cell. Elastic fibers reduced in number and ran irregularly. Conclusion: The bilaminar zone will be remodeled following disc displacement and become a disc-like tissue. So, the bilaminar zone may function as a disc after disc displacement.

谷志远,冯剑颖,詹静,吴慧玲,柴田·考典. 颞下颌关节盘前移后双板区改建的实验研究[J]. 华西口腔医学杂志.

Gu Zhiyuan, Feng Jianying, Zhan Jin,et al.. The Experimental Study on Remodeling in the Bilaminar Zone of Temporomandibular Joint Following Disc Displacement[J]. West China Journal of Stomatology.

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