Le Fort I maxillary osteotomy for cleft lip and palate patients

Shin,  Young-Min; KWON,  Tae-Geon

doi:2015.53.7.468

J Korean Dent Assoc > Volume 53(7); 2015 > Article

Journal of Korean Dental Association 2015;53(7):468-475.
DOI: https://doi.org/10.22974/jkda.2015.53.7.003 Published online July 31, 2015.

구순구개열 환자를 위한 상악 악교정 수술

신영민¹, 권대근²

^¹경북대학교 치의학전문대학원 구강악안면외과학교실
^²경북대학교 치의학전문대학원 구강악안면외과학교실

Le Fort I maxillary osteotomy for cleft lip and palate patients

Young-Min Shin¹, Tae-Geon KWON²

¹Department of Oral and Maxillofacial Surgery, School of Dentistry, Kyungpook National University
²Department of Oral and Maxillofacial Surgery, School of Dentistry, Kyungpook National University

Abstract

In cleft lip and palate (CLP) patients, there are various degree of residual maxillofacial deformities in adolescent period. Usually, orthoganthic surgery for the cleft patients needs Le Fort I osteotomy and/or mandibular set-back surgery. Previous report from other institute had been shown that there is significant relapse after maxillary movement after Le Fort I osteotomy when the surgical advancement of the maxilla was over than 5 or 7mm in average. Recent comphrehensive report showed that most of the relapse was happened within 1 year and the total horizontal relapse of the maxilla was as high as 30% in average. Therefore, overcorrection is needed in maxillary surgery for cleft patients. Another concerns for cleft orthognathic surgery is the anatomical variation in pterygomaxillary region in cleft patients compared to control patients. Patients with CLP had larger and thicker pterygomaxillary dimensions, and the results imply that careful attention to pterygomaxillary anatomy is needed in patients with CLP undergoing Le Fort I surgery. This article reviews the pre and postoperative considering factors for orthognathic surgery for CLP patients.

Key Words: Cleft;orthognathic surgery;stability;complications;Le Fort I maxillary osteotomy;