Evaluation of the Accuracy of Virtual Planning in Orthognathic Surgery: A Morphometric Study

The Journal of Craniofacial Surgery
Emanuele ZavatteroAlessandro Baj

Abstract

The purpose of this study was to prospectively test the accuracy of computer-aided orthognathic surgery comparing the virtual surgical planning with the three-dimensional (3D) outcome. Patients that underwent computer-assisted orthognathic surgery were retrospectively evaluated. The postoperative results were compared with the surgical plan, superimposing the postoperative computed tomography (CT) scan onto the virtual plan. Surface-based superimpositioning of the postoperative CT scan onto the 3D preoperative plan was carried out to visualize the discrepancy between preoperative virtual plan and postoperative 3D CT result. A total of 17 consecutive patients that underwent two-jaw computer-assisted orthognathic surgery were enrolled in the study.The average linear differences for selected points were <1 mm in 12 patients out of 17. In 5 patients out of 17, the average differences for selected points were <2 mm. An overall high degree of accuracy between the virtual plan and the postoperative result was found.

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Citations

Dec 6, 2020·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Lorena KaranxhaMichele Romano
Mar 30, 2021·Plastic and Reconstructive Surgery·Seija ManiskasDerek M Steinbacher
Apr 29, 2021·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Giovanni GerbinoGugliemo Ramieri
May 18, 2021·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Daniel HolzingerPhilipp Juergens
Oct 11, 2021·Journal of Stomatology, Oral and Maxillofacial Surgery·Fernanda LoboLilian Cristina Vessoni Iwaki

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