Objectives: To investigate the effective methods that can preserve the teeth with abnormal central cusp(ACC).

目的：探讨畸形中央尖牙齿的保存治疗的有效方法。

youdao

Objectives: To investigate the effective methods that can preserve the teeth with abnormal central cusp(ACC).

目的：探讨畸形中央尖牙齿的保存治疗的有效方法。

youdao