Three-dimensional facial simulation in bilateral sagittal split osteotomy: a validation study of 100 patients

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
Jeroen LiebregtsT J J Maal

Abstract

Three-dimensional (3D) virtual planning of orthognathic surgery in combination with 3D soft tissue simulation allows the surgeon and the patient to assess the 3D soft tissue simulation. This study was conducted to validate the predictability of the mass tensor model soft tissue simulation algorithm combined with cone-beam computed tomographic (CBCT) imaging for patients who underwent mandibular advancement using a bilateral sagittal split osteotomy (BSSO). One hundred patients were treated with a BSSO according to the Hunsuck modification. The pre- and postoperative CBCT scans were matched and the mandible was segmented and aligned. The 3D distance maps and 3D cephalometric analyses were used to calculate the differences between the soft tissue simulation and the actual postoperative results. Other study variables were age, gender, and amount of mandibular advancement or rotation. For the entire face, the mean absolute error was 0.9 ± 0.3 mm, the mean absolute 90th percentile was 1.9 mm, and for all 100 patients the absolute mean error was less than or equal to 2 mm. The subarea with the least accuracy was the lower lip area, with a mean absolute error of 1.2 ± 0.5 mm. No correlation could be found between the error of predicti...Continue Reading

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Citations

Nov 26, 2015·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Jene MeulsteeThomas Maal
Jun 9, 2016·International Journal of Oral and Maxillofacial Surgery·J LiebregtsT Maal
Aug 3, 2016·International Journal of Oral and Maxillofacial Surgery·P LiW Tang
Oct 11, 2016·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Amel IbrahimPatrizia Ferretti
Jun 6, 2018·Expert Review of Medical Devices·Xiaojun Chen, Junlei Hu
Oct 9, 2020·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Zhixing ChenNuo Zhou
Apr 4, 2021·Journal of Personalized Medicine·Elena Carlotta OlivettiGuglielmo Ramieri
May 5, 2021·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Rutger Ter HorstTong Xi
Jul 25, 2021·Oral and Maxillofacial Surgery·Amanda Lury YamashitaLilian Cristina Vessoni Iwaki

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