Performance of mandibuloplasty is highly dependent on each surgeon's experience, and reproducing the results of simulation surgery is often difficult. In order to obtain successful clinical outcomes, a fast and efficient surgery technique that minimizes operation time and risk to patients is needed. The authors designed a 3D-printed mandible fit surgical guide for use as a bridge between simulation and actual surgery. The authors enrolled 7 patients with prominent mandibular angle who visited the outpatient clinic of the Department of Plastic and Reconstructive Surgery at Asan Medical Center in Seoul, Korea between December 2013 and May 2017. The surgical guides were made with a 3D printer and simulated based on individual facial bone CT scans. The surgical guides were designed to fit the lower border of the mandible and to cover the portion planned for removal. The resulting personalized 3D-printed surgical guides were applied on both mandibular angles to the body and along the lower border of the mandible. Osteotomy of the mandibular angle and body were performed along the surgical guide. All patients recovered without any immediate postoperative complications. The use of 3D-printed surgical guide was effective in simplifying the process of mandibuloplasty. Our results demonstrate the value of 3D printing technology in mandibuloplasty. Address correspondence and reprint requests to Jong-Woo Choi, MD, PhD, Department of Plastic Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea; E-mail: pschoi@amc.seoul.kr Received 30 October, 2018 Accepted 10 April, 2019 The authors report no conflicts of interest. © 2019 by Mutaz B. Habal, MD.
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