orthodontics
n. 畸齿矫正学,正牙术
例句
The case was written up in the Journal of Clinical Orthodontics.
此病例发表在《临床口腔正畸学》杂志上。
Objectives in order to treat maxillary impacted canines with surgery-orthodontics.
目的对上颌埋伏尖牙进行外科—正畸治疗。
Now it is regarded as just about as cosmetic, and as non-essential, as birth control or orthodontics.
现在它几乎是仅用作表面的或非必须的,作为出生控制或牙齿矫正。