目的：3年随防观察近中阻生的下颌第三磨牙萌出情况与其倾斜角度的关系。

Objective: To measure changes in angular position and eruption status of mesially impacted mandibular third molars (M3) during 3-year follow-up period.

youdao

摘要目的：通过同体对照方法，比较微创法与传统凿骨劈冠法拔除下颌低位近中阻生第三磨牙的临床效果。

Abstract: Objective: To compare the effects of minimally invasive surgery and traditional method in removal of impacted mandibular third molars.

youdao