Le Fort operation

例句：

1. 1. The patient underwent a Le Fort operation to correct the bite.
   患者进行了一次勒氏手术来纠正咬合。
2. 2.The surgeon performed a Le Fort operation to improve the patient's speech.
   外科医生进行了一次勒氏手术以改善患者的发音。
3. 3. The Le Fort operation was a challenging but successful procedure for the patient.
   勒氏手术对患者来说是一次具有挑战性的但成功的治疗过程。