Evaluation of the Accuracy of Virtual Planning in Orthognathic Surgery: A Morphometric Study. Issue 4 (June 2019)

• Record Type: Journal Article
• Authors: Zavattero, Emanuele; Romano, Michele; Gerbino, Giovanni; Rossi, Diego Sergio; Giannì, Aldo Bruno; Ramieri, Guglielmo; Baj, Alessandro
• Is Part Of: Journal of craniofacial surgery. Volume 30:Issue 4(2019)
• Publication Date: 2019-06
• Subjects: Accuracy -- orthognathic surgery -- virtual planning; Facial bones -- Surgery -- Periodicals; Skull -- Surgery -- Periodicals; Face -- Surgery -- Periodicals; Surgery, Plastic -- Periodicals; 617.52
• DOI: 10.1097/SCS.0000000000005355
• Languages: English
• ISSNs: 1049-2275

Abstract

Abstract : Background: 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. Methods: 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. Results: 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. Conclusions: An overall high degree of accuracy between the virtual plan and the postoperative result was found.