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Surgical correction of mandibular hypoplasia in hemifacial microsomia: A retrospective study in 39 patients

Authors
 H. Bertin  ;  J. Mercier  ;  A. Cohen  ;  J. Giordanetto  ;  N. Cohen  ;  S.H. Lee  ;  J.P. Perrin  ;  P. Corre 
Citation
 JOURNAL OF CRANIO-MAXILLOFACIAL SURGERY, Vol.45(6) : 1031-1038, 2017 
Journal Title
 JOURNAL OF CRANIO-MAXILLOFACIAL SURGERY 
ISSN
 1010-5182 
Issue Date
2017
MeSH
Adolescent ; Adult ; Cephalometry ; Esthetics ; Female ; France ; Goldenhar Syndrome/diagnostic imaging ; Goldenhar Syndrome/surgery* ; Humans ; Male ; Mandible/abnormalities* ; Mandible/diagnostic imaging ; Mandibular Reconstruction/methods* ; Osteotomy ; Retrospective Studies ; Treatment Outcome
Keywords
Costal cartilage ; Growth ; Hemifacial macrosomia ; Mandibular osteotomy ; Mandibular reconstruction
Abstract
PURPOSE: Repair of the mandibular deformity in hemifacial microsomia (HFM) remains controversial, and there is scant information in the literature regarding the late outcomes. The aim of this study was to evaluate architectural and aesthetic long-term outcomes for primary mandibular surgery in patients with HFM. MATERIALS AND METHODS: Thirty-nine patients with types II and type III HFM were included in this retrospective study. Depending on the nature of the mandibular deformity, patients were treated using a costochondral graft (CCG) or a vertical ramus osteotomy (VRO). Architectural and aesthetic parameters were evaluated preoperatively, postoperatively, and at the end of the follow-up period. RESULTS: The architectural analysis revealed the restoration of a level occlusal canting at the end of the follow-up period (p < 0.0001); the chin deviation was corrected immediately by the surgery, although a trend to recurrence was noted at the last follow-up evaluation (p < 0.0001). The aesthetic assessment revealed a significant improvement of the chin deflection, and correction of the lip commissural line tilt (p < 0.0001). Twenty-three percent of the patients required an additional orthognathic revision. CONCLUSION: CCG and VRO continue to be suitable and safe procedures with good outcomes that allow a single-stage correction of occlusion and preservation of mandibular growth in young patients with type II and type III HFM.
Full Text
https://www.sciencedirect.com/science/article/pii/S1010518217301117
DOI
10.1016/j.jcms.2017.03.016
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실) > 1. Journal Papers
Yonsei Authors
Lee, Sang Hwy(이상휘) ORCID logo https://orcid.org/0000-0002-9438-2489
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/160345
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