Plastic Surgery Hospital, Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Int J Oral Maxillofac Surg. 2021 Aug;50(8):1055-1058. doi: 10.1016/j.ijom.2020.11.013. Epub 2021 Jan 6.
The peak of Cupid's bow is a unique three-dimensional structure. Traditional reconstructive techniques focus only on the correction of vermillion border malalignment and the vertical discrepancy between Cupid's bow peaks from a two-dimensional perspective. The aim of this study was to introduce a novel technique - the muscle tension line group reconstruction technique - to recreate the Cupid's bow peak three-dimensionally in secondary cleft lip repair. With this technique the orbicularis oris muscle is divided into two flaps: a lateral one composed of pars marginalis and a medial one composed of pars peripheralis. The full thickness of the medial flap is sutured to the deep layer of the lateral flap, and the end of the lateral flap is then sutured to the dermis lateral to the philtral dimple to accentuate a depression. In this way, the two muscle flaps exert opposing skin traction on each side of the peak, which improves the vertical height as well as the lateral projection of the Cupid's bow peak. The postoperative outcomes indicate that this is a reliable technique for three-dimensional restoration of the Cupid's bow peak, with a stable and natural reconstructive appearance.
丘比特弓的顶点是一个独特的三维结构。传统的重建技术仅关注于从二维视角纠正唇红缘错位和丘比特弓顶点的垂直差异。本研究旨在介绍一种新的技术 - 肌肉张力线组重建技术 - 以在二次唇裂修复中三维重建丘比特弓顶点。使用该技术，口轮匝肌被分为两个瓣：外侧瓣由边缘部分组成，内侧瓣由周围部分组成。内侧瓣的全厚层缝合到外侧瓣的深层，然后将外侧瓣的末端缝合到唇峰侧的真皮外侧，以强调一个凹陷。这样，两个肌肉瓣在顶点的每一侧施加相反的皮肤牵引力，从而提高了丘比特弓顶点的垂直高度和侧向突出度。术后结果表明，这是一种可靠的三维重建丘比特弓顶点的技术，具有稳定而自然的重建外观。
