gingivoplasty

例句：

1. 1. The patient underwent a gingivoplasty to correct the misalignment of his teeth.
   这位患者接受了正畸治疗，以纠正他的牙齿错位。
2. 2. The orthopedic surgeon performed the gingivoplasty on the patient's jaw.
   整形外科医生为患者的下巴进行了正畸手术。
3. 3. The orthodontist advised the patient to undergo gingivoplasty before the braces were removed.
   正畸医生建议患者在戴牙套之前进行正畸治疗。