目的：探讨末端游离缺损义齿(牙合)支托设计的理论基础。
Objective: To test the rationale for designing an occlusal rest for a distal-extension removable partial denture.
目的研究下颌末端游离缺失修复中近中与远中(牙合)支托设计对加载时基牙及支持组织应力分布的影响。
Objective To investigate the stress distribution in the abutment and supporting tissues of distal-extension removable partial dentures with mesial and distal occlusal rest under loading.
背景：三维测量技术有助于正畸医师更直观逼真、快捷、简便地对牙合颌面畸形进行正确诊断、治疗设计、疗效预测及评价。
BACKGROUND: Three-dimensional measurement techniques can help orthodontists to easily make correct diagnosis, treatment plan, treatment outcome prediction and assessment.
背景：三维测量技术有助于正畸医师更直观逼真、快捷、简便地对牙合颌面畸形进行正确诊断、治疗设计、疗效预测及评价。
BACKGROUND: Three-dimensional measurement techniques can help orthodontists to easily make correct diagnosis, treatment plan, treatment outcome prediction and assessment.
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