降鼻翼肌可将嘴角下拉，颏肌可让下唇向外伸展，颈阔肌可使下颔下移。
The depressor anguli oris muscle depress the corner of the mouth, the mentalis muscles pulls the lower lip out, and the platysma depresses the mandible.
结论颏颈角切口颈阔肌成形术操作安全，对双下颏畸形的改善效果确切。
Conclusion Use of Platysmaplasty by cervico-mental Angle incision is a safe and effective method for double-chin deformity.
结论：舌下神经颏舌肌蒂植入能使失神经胸大肌瓣重新获得良好的神经再支配。
Conclusion:The denervated pectoralis major myoflap can be reinnervated by hypoglossal-genioglossus muscle neuromuscular pedicle transplantation.
结果术后153例皮瓣全部成活，其中舌骨下肌皮瓣55例，颈阔肌皮瓣40例，胸锁乳突肌皮瓣52例，颏下岛状瓣6例；
Results Among 153 survival flaps, there were 55 infrahyoid myocutaneous flaps, 40 platysma flaps, 52 sternocleidomastoid flaps and 6 submental island flaps.
目的应用颏下区岛状肌皮瓣一期修复颊部洞穿性缺损。
Objective To apply submental area insular musculocutaneous skin valve to stage 1 restoration jaw caved defect.
目的应用颏下区岛状肌皮瓣一期修复颊部洞穿性缺损。
Objective To apply submental area insular musculocutaneous skin valve to stage 1 restoration jaw caved defect.
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