Abstract: Le Fort Ⅰ osteotomy is a common method for surgical correction of maxillary dysplasia. The shape of the nasolabial area changes after maxillary movements. The adverse effects of Le Fort Ⅰ osteotomy on the morphology of the nasolabial area and the corresponding countermeasures were reviewed in this paper.

Key words: Lefort I osteotomy, cinch suture, rhinoplasty, nasolabial soft tissue