genioplasty

例句：

1. 1.The patient underwent a genioplasty to correct the cleft in his lower jaw.
   患者接受了颌骨整形术，以纠正他下颚的裂隙。
2. 2. The procedure is typically performed under local anesthesia for aesthetic purposes.
   这种手术通常在局部麻醉下进行，以获得美观效果。
3. 3.The success rate of genioplasty depends on several factors, including the severity of the deformity and the surgeon's expertise.
   颌骨整形术的成功率取决于多个因素，包括畸形的严重程度和外科医生的专业技能。