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J Cosmet Med 2018; 2(1): 52-56

Published online June 30, 2018

https://doi.org/10.25056/JCM.2018.2.1.52

Precise and predictable mandibuloplasty of asymmetric prominent mandibular angle with aid of 3-dimension printed surgical stent: a case report

Bumjoo Baek, DMD, Jaeman Woo, DMD, Jinyoung Choi , DDS, MD, PhD

Department of Oral and Maxillofacial Surgery, School of Dentistry, Seoul National University, Seoul, Rep. of Korea

Correspondence to :
Jinyoung Choi, E-mail: jinychoi@snu.ac.kr, ORCID: https://orcid.org/0000-0002-2593-6089

Received: February 5, 2018; Revised: May 17, 2018; Accepted: May 17, 2018

© Korean Society of Korean Cosmetic Surgery

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Mandibuloplasty is an increasingly popular procedure among East Asians, because they perceive a wide lower face as a sign of stubbornness and coarseness in personality. Especially for females, such a feature is viewed as masculine and undesirable. Mandibuloplasty is often performed intraorally rather than through an extraoral submandibular approach, to avoid facial nerve injury and visible scar formation. However, the intraoral approach provides limited field of view to a surgeon, thereby increasing the risks of inadequate reduction or asymmetric facial contour. The use of 3-dimension (3D) designed surgical guide serves to overcome the limitations of the intraoral approach and is an invaluable and dependable tool. With the advent of 3D printing technologies, surgical guides are designed preoperatively on computed tomography (CT) scans and they are printed for intraoperative applications, such as asymmetric prominent mandibular angles. The use of CT-designed 3D surgical guides allow for predictable surgery with unequivocally symmetric postoperative skeletal contour. This case report will discuss a successful case of mandibuloplasty utilizing the aforementioned technology.

Keywords: angle reduction, asymmetric prominent mandibular angle, computer-aided design, mandibular osteotomy, surgical guide

  1. Hirohi T, Yoshimura K. Lower face reduction with full-thickness marginal ostectomy of mandibular corpus-angle followed by corticectomy. J Plast Reconstr Aesthet Surg 2010;63:1251-9.
    Pubmed CrossRef
  2. Lei R, Wang Y, Xu S, Hong F, Xu M, Wei L, et al. A modified intraoral and extraoral approach osteotomy for the prominent mandibular angle. J Plast Reconstr Aesthet Surg 2017;70:1091-100.
    Pubmed CrossRef
  3. Kim Y, Park B. Resection of the prominent mandible angle with intraoral and external approach. Aesthetic Plast Surg 2003;27:38-42; discussion 43.
    Pubmed CrossRef

Article

Case Report

J Cosmet Med 2018; 2(1): 52-56

Published online June 30, 2018 https://doi.org/10.25056/JCM.2018.2.1.52

Copyright © Korean Society of Korean Cosmetic Surgery.

Precise and predictable mandibuloplasty of asymmetric prominent mandibular angle with aid of 3-dimension printed surgical stent: a case report

Bumjoo Baek, DMD, Jaeman Woo, DMD, Jinyoung Choi , DDS, MD, PhD

Department of Oral and Maxillofacial Surgery, School of Dentistry, Seoul National University, Seoul, Rep. of Korea

Correspondence to:Jinyoung Choi, E-mail: jinychoi@snu.ac.kr, ORCID: https://orcid.org/0000-0002-2593-6089

Received: February 5, 2018; Revised: May 17, 2018; Accepted: May 17, 2018

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Mandibuloplasty is an increasingly popular procedure among East Asians, because they perceive a wide lower face as a sign of stubbornness and coarseness in personality. Especially for females, such a feature is viewed as masculine and undesirable. Mandibuloplasty is often performed intraorally rather than through an extraoral submandibular approach, to avoid facial nerve injury and visible scar formation. However, the intraoral approach provides limited field of view to a surgeon, thereby increasing the risks of inadequate reduction or asymmetric facial contour. The use of 3-dimension (3D) designed surgical guide serves to overcome the limitations of the intraoral approach and is an invaluable and dependable tool. With the advent of 3D printing technologies, surgical guides are designed preoperatively on computed tomography (CT) scans and they are printed for intraoperative applications, such as asymmetric prominent mandibular angles. The use of CT-designed 3D surgical guides allow for predictable surgery with unequivocally symmetric postoperative skeletal contour. This case report will discuss a successful case of mandibuloplasty utilizing the aforementioned technology.

Keywords: angle reduction, asymmetric prominent mandibular angle, computer-aided design, mandibular osteotomy, surgical guide

References

  1. Hirohi T, Yoshimura K. Lower face reduction with full-thickness marginal ostectomy of mandibular corpus-angle followed by corticectomy. J Plast Reconstr Aesthet Surg 2010;63:1251-9.
    Pubmed CrossRef
  2. Lei R, Wang Y, Xu S, Hong F, Xu M, Wei L, et al. A modified intraoral and extraoral approach osteotomy for the prominent mandibular angle. J Plast Reconstr Aesthet Surg 2017;70:1091-100.
    Pubmed CrossRef
  3. Kim Y, Park B. Resection of the prominent mandible angle with intraoral and external approach. Aesthetic Plast Surg 2003;27:38-42; discussion 43.
    Pubmed CrossRef

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