目的改进倾斜基牙的固定桥修复，减少整体铸造产生的桥体收缩。

Objective To improve the inclined teeth rigidly-fixed bridge and reduce the pontic shrinkage from whole founding.

youdao

目的改进倾斜基牙的固定桥修复，减少整体铸造产生的桥体收缩。

Objective To improve the inclined teeth rigidly-fixed bridge and reduce the pontic shrinkage from whole founding.

youdao