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[三维光弹性法研究倾斜基牙根周牙周组织应力分布]

[Stress distribution in the periodontal tissue around roots of an inclined abutment by 3-D photoelasticity].

作者信息

Shi S J

机构信息

Dept. of Dentistry, Tianjin Medical College.

出版信息

Zhonghua Kou Qiang Yi Xue Za Zhi. 1992 Sep;27(5):270-2, 318.

PMID:1306437
Abstract

The stress distribution in the periodontal tissue around roots of a mesially inclined mandibular second molar as the the abutment of a fixed bridge was analysed by the three dimensional photoelasticity. It was shown by 3-D photoelasticity that the stress distribution in the alveolar bone around the roots of the abutment was modified by the placement of the fixed bridge. The maximum stress points in alveolar bone around the roots of abutment were also located.

摘要

采用三维光弹性法分析了下颌第二磨牙近中倾斜作为固定桥基牙时牙周组织内的应力分布。三维光弹性法显示，固定桥的就位改变了基牙牙根周围牙槽骨内的应力分布。同时还确定了基牙牙根周围牙槽骨内的最大应力点。

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