Department of Craniomaxillofacial Surgery, Shen-Jia-Xin Medical Cosmetic Hospital, Beijing, People's Republic of China.
J Craniofac Surg. 2022;33(8):2560-2566. doi: 10.1097/SCS.0000000000008818. Epub 2022 Nov 4.
Several operative procedures have been introduced to reshape the aesthetic mandibular angle, but unaesthetic results have occurred now and then. Most studies focused only on the facial shape in frontal view but not on the new gonion angle and gonial position in lateral view. The authors describe a new and satisfactory surgical method of mandibular angle contouring to reconstruct the new aesthetic mandibular angle and reshape an oval face for the excessive prominence of the mandibular angle.
The surgery was carried out with the two-crossed ostectomy at the inferior and posterior margin of the mandible, respectively. For 10 years from 2009 to 2019, the two-crossed ostectomy of mandibular angle has been performed in 1217 consecutive series of Chinese patients. The gonion angle degree, the facial width between the dual gonions, and the horizontal and vertical distances from the gonial point to auricular lobule were measured and recorded before and after an operation.
After the two-crossed ostectomy, the patient's gonion angle significantly changed to 123 to 128 degrees in both women and men. The vertical distance from the horizontal line of the auricular lobule to the gonial point decreased by 2 to 2.5 cm markedly, and the gonial point became located at about 0.85 cm in front of the vertical line of the auricular lobule. The two-crossed ostectomy of the mandibular angle effectively reconstructed the new aesthetic gonion angle and gonial position, reshaped the oval face, and achieved a highly satisfactory result.
For patients with excessively prominent mandibular angle, the two-crossed ostectomy at the mandibular ramus and the body could reconstruct the new aesthetic gonial angle and position, make the lower one third of the face attractive from the lateral and anterior perspectives, and deliver greater patient satisfaction and surgical safety.
已经引入了几种手术操作来重塑美观的下颌角,但偶尔会出现不美观的结果。大多数研究仅关注正面的面部形状,而不关注侧面的新下颌角和下颌角位置。作者描述了一种新的、令人满意的下颌角整形手术方法,以重建新的美学下颌角,并重塑因下颌角过度突出而呈椭圆形的面部。
手术在下颌骨的下后缘分别进行双交叉截骨术。从 2009 年到 2019 年的 10 年中,对 1217 例连续的中国患者进行了双交叉下颌角截骨术。在手术前后测量并记录了下颌角角度、双侧下颌角之间的面部宽度以及从下颌角点到耳屏的水平和垂直距离。
双交叉截骨术后,女性和男性患者的下颌角明显变为 123 至 128 度。从耳屏水平线到下颌角点的垂直距离明显减少了 2 至 2.5 厘米,下颌角点位于耳屏垂直线前方约 0.85 厘米处。下颌角的双交叉截骨术有效地重建了新的美学下颌角和下颌角位置,重塑了椭圆形的面部,获得了非常满意的效果。
对于下颌角过度突出的患者,下颌支和体部的双交叉截骨术可以重建新的美学下颌角和位置,使从侧面和前面看下面部的三分之一更具吸引力,并带来更高的患者满意度和手术安全性。