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Learning condyle repositioning during orthognathic surgery with a surgical navigation system.
R Lartizien1, I Zaccaria2, C Savoldelli3
1Maxillofacial Surgery Department, Annecy Genevois Hospital, 1 Avenue de l'Hôpital, 74370 Epagny Metz-Tessy, France; Université Grenoble Alpes, Medical Faculty, 23 Avenue Maquis du Grésivaudan, 38700 La Tronche, France; Maxillofacial and Plastic Surgery Department, University Hospital of Grenoble, Avenue Maquis-du-Grésivaudan, 38700 La Tronche, France.
International Journal of Oral and Maxillofacial Surgery
|February 14, 2019
Summary
Navigation systems significantly improve trainee condyle repositioning accuracy during bilateral sagittal split osteotomy (BSSO). The Orthopilot Navigation system (ONS) enhanced learning, leading to better anatomical and functional outcomes for surgeons in training.
Area of Science:
- Oral and Maxillofacial Surgery
- Surgical Navigation
- Medical Education
Background:
- Condyle repositioning is a critical and challenging step in bilateral sagittal split osteotomy (BSSO), particularly for novice surgeons.
- Traditional learning methods may not adequately prepare surgeons for the complexities of precise condyle placement.
Purpose of the Study:
- To evaluate the efficacy of surgical navigation in enhancing the learning curve for condyle repositioning during BSSO.
- To assess the impact of the Orthopilot Navigation system (ONS) on trainee performance in condyle repositioning.
Main Methods:
- A study involving 100 patients undergoing BSSO.
- Trainee surgeons performed condyle repositioning in two phases: without and with the assistance of the ONS.
- Heuristic, anatomical, and functional scores were recorded for each phase to quantify performance.
Main Results:
- Significant improvements were observed when using the ONS: heuristic scores increased from 17% to 75% (p<0.0001).
- Anatomical scores improved from 35% to 86% (p<0.0001), and functional scores rose from 14% to 56% (p<0.0001).
- These statistically significant gains highlight the ONS's positive impact on surgical precision and learning.
Conclusions:
- The Orthopilot Navigation system (ONS) serves as a valuable intraoperative learning tool for condyle repositioning in BSSO.
- Navigation technology offers a promising approach to improve surgical training and outcomes in complex osteotomies.
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