目的：临床观察era冠内覆盖附着体基牙的远期效果，确定ERA冠内覆盖附着体基牙选择的范围。

Objective: to observe ERA crown cover attachment of the long-term effects of teeth to determine ERA crown cover attachment abutment the scope of choice.

youdao

目的：临床观察era冠内覆盖附着体基牙的远期效果，确定ERA冠内覆盖附着体基牙选择的范围。

Objective: to observe ERA crown cover attachment of the long-term effects of teeth to determine ERA crown cover attachment abutment the scope of choice.

youdao