Objective: To evaluate the influence of denturematerial and its surface roughness on retention of upper complete denture .
目的：评价全口义齿基托材料及其表面粗糙度对义齿固位的影响。
2
Purpose To make use of the patients crude tooth as the basic material for a temporary denture to offer temporary restoration, and to make comparisons with traditional methods.
目的用患者本身的天然牙作为临时义齿的基础材料提供临时修复，并与传统的临时义齿作比较。
3
MS soft lining material can improve the repair effect of maxillary unilateral distal-extension removable partial denture. Clinical promotion is recommended.