Objective: To study the influence on the displacement of abutment with various retainer designs for bilateral distal-extension removable partial dentures (RPDs).

目的：探讨双侧游离端可摘局部义齿的不同固位装置对基牙的影响。

Objective To analyse the stress distribution of distal-extension removable partial dentures supported by mini implants.

目的分析细小种植体支持可摘局部义齿修复末端游离缺失的应力分布情况。

Objective: to analyses the design factors contributed to the fracture of removable partial dentures in the elderly in order to improve the design level and the quality of the dentures.

目的：分析老年人可摘局部义齿折裂的设计因素，旨在提高可摘局部义齿的设计水平和质量。

Objective: To observe the mechanism and characteristics of the effect of the removable partial dentures onthe abutment teeth and periodontal health.

目的：深入了解可摘局部义齿对基牙牙体、牙周组织健康影响的机制及特点。

Objective To evaluate the clinical effects of distal extensive partial dentures with precision attachments.

目的应用精密附着体固位型可摘义齿修复游离端牙列缺损，评价其临床修复效果。

Conclusion Fixed partial dentures are the most common prostheses for tooth defect, and are characterized by the growing application of advanced techniques and high-quality materials.

结论固定修复体仍是目前临床最常用的牙体和牙列缺损的修复方式，其变化主要表现在新技术和优质材料的选用增加。

Natural canine crowns are preferred as abutments for removable partial dentures because of their root morphology and bony support.

犬冠自然是首选的基牙的义齿由于其根系形态和骨的支持。

Conclusions: Designing and fabricating removable partial dentures by altered-cast impression was recommended.

结论：模型置换法所制作的下颌游离缺失混合支持可摘局部义齿临床效果好。

Objectives: To observe the result of the application of the porcelain-fused-metal removable partial dentures (PFMRPD) for anterior teeth.

目的：观察烤瓷熔附金属可摘局部义齿(PFMRPD)在前牙修复中应用的临床效果。

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.

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。