Accuracy of experimental mandibular osteotomy using the image-guided sagittal saw

International Journal of Oral and Maxillofacial Surgery
Piotr PietruskiJanusz Jaworowski

Abstract

The aim of this study was to perform an objective assessment of the accuracy of mandibular osteotomy simulations performed using an image-guided sagittal saw. A total of 16 image-guided mandibular osteotomies were performed on four prefabricated anatomical models according to the virtual plan. Postoperative computed tomography (CT) image data were fused with the preoperative CT scan allowing an objective comparison of the results of the osteotomy executed with the virtual plan. For each operation, the following parameters were analyzed and compared independently twice by two observers: resected bone volume, osteotomy trajectory angle, and marginal point positions. The mean target registration error was 0.95±0.19mm. For all osteotomies performed, the mean difference between the planned and actual bone resection volumes was 8.55±5.51%, the mean angular deviation between planned and actual osteotomy trajectory was 8.08±5.50°, and the mean difference between the preoperative and the postoperative marginal point positions was 2.63±1.27mm. In conclusion, despite the initial stages of the research, encouraging results were obtained. The current limitations of the navigated saw are discussed, as well as the improvements in technology t...Continue Reading

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Citations

Jul 12, 2011·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Ketil MoenKnut Tornes
Feb 15, 2018·Oral and Maxillofacial Surgery·Fernando Zugno KulczynskiRogério Miranda Pagnoncelli
May 28, 2019·The Laryngoscope·Piotr PietruskiMaciej Mazurek
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Jul 30, 2020·International Journal of Computer Assisted Radiology and Surgery·Timon Peter Ter BraakMunir Baris Karakullukcu
May 22, 2019·The Laryngoscope·Wael HasanJonathan C Irish
Feb 26, 2019·Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS·Piotr PietruskiJanusz Jaworowski

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