relating to the job or activity of correcting the position of teeth and dealing with and preventing problems of the teeth

Does she need orthodontic treatment to have her teeth straightened? 她需要接受正牙治疗来保证牙齿整齐吗？

He has been impressed with results in patients with mild orthodontic problems. 他觉得在有轻度牙齿畸形的患者中结果很不错。