orthognathics

例句：

1. 1. The patient underwent orthognathic surgery to correct her cleft palate.
   病人接受了正颌手术来纠正她的腭裂。
2. 2. The orthognathic surgery was a complex procedure that required multiple surgeries over several months.
   正颌手术是一项复杂的程序，需要几个月的多次手术。
3. 3. The orthognathic surgeon performed the surgery with precision and skill, ensuring a successful outcome for the patient.
   正颌外科医生以精确和技巧进行手术，确保患者获得成功的治疗结果。