Comparison of 3 optical navigation systems for computer-aided maxillofacial surgery

Area of Science:

• Maxillofacial Surgery
• Computer-Aided Surgery
• Surgical Navigation Systems

Background:

• Computer-aided surgery (CAS) systems are increasingly utilized in complex reconstructive procedures.
• Accurate navigation is crucial for optimizing outcomes in maxillofacial reconstruction.

Purpose of the Study:

• To compare the accuracy of three distinct CAS systems for maxillofacial reconstruction.
• To identify the most accurate system among StealthStation, VectorVision, and Voxim.

Main Methods:

• Evaluation of StealthStation, VectorVision, and Voxim CAS systems.
• Testing conducted using four fresh cadaveric heads in a dedicated laboratory setting.
• Mean target registration error was the primary metric for accuracy assessment.

Main Results:

• StealthStation exhibited the highest accuracy with a mean target registration error of 1.00 mm.
• VectorVision (1.13 mm) and Voxim (1.34 mm) showed progressively lower accuracy.
• All observed differences in accuracy were statistically significant (P < .05).

Conclusions:

• Significant accuracy variations exist among the evaluated CAS navigation systems.
• StealthStation was found to be the most accurate system in this study.
• Despite statistical significance, the small magnitude of accuracy differences suggests negligible clinical impact for maxillofacial reconstruction.