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Application of an augmented reality tool for maxillary positioning in orthognathic surgery – A feasibility study |
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| Authors: | Robert A Mischkowski Max J Zinser Alexander C Kübler Barbara Krug Ulrich Seifert Joachim E Zller |
| Affiliation: | 1. Department of Stomatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China;2. Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China;3. Department of Stomatology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China;1. School of Computing and Mathematics, Charles Sturt University, Sydney, Australia;2. Department of Islamic Sciences, Al Iraqia University, Baghdad, Iraq;3. Department of Oral and Maxillofacial Services, Greater Western Sydney Area Health Services, Sydney, Australia;4. Department of Oral and Maxillofacial Services, Central Coast Area Health, Australia;5. Faculty of Medicine and Health Sciences, Macquarie University, Sydney, Australia |
| Abstract: | BACKGROUND: An augmented reality tool for computer assisted surgery named X-Scope allows visual tracking of real anatomical structures in superposition with volume rendered CT or MRI scans and thus can be used for navigated translocation of bony segments. METHODS: In a feasibility study X-Scope was used in orthognathic surgery to control the translocation of the maxilla after Le Fort I osteotomy within a bimaxillary procedure. The situation achieved was compared with the pre-operative situation by means of cephalometric analysis on lateral and frontal cephalograms. RESULTS: The technique was successfully utilized in 5 patients. Maxillary positioning using X-Scope was accomplished accurately within a range of 1mm. The tool was used in all cases in addition to the usual intra-operative splints. A stand-alone application without conventional control does not yet seem reasonable. CONCLUSION: Augmented reality tools like X-Scope may be helpful for controlling maxillary translocation in orthognathic surgery. The application to other interventions in cranio-maxillofacial surgery such as Le Fort III osteotomy, fronto-orbital advancement, and cranial vault reshaping or repair may also be considered. |
| Keywords: | X-Scope® augmented reality cranio-maxillofacial surgery computer assisted surgery Le Fort I osteotomy bimaxillary osteotomy orthognathic surgery |
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