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E. Bradley Strong, MD; Amir Rafii, MD; Bettina Holhweg-Majert, MD, DMD; Scott C. Fuller, MD; Marc Christian Metzger, MD, DDS

Arch Otolaryngol Head Neck Surg. 2008;134(10):1080-1084.

Objective  To compare the accuracy of 3 computer-aided surgery systems for maxillofacial reconstruction.

Design  Evaluation of 3 computer-aided surgery systems: StealthStation, VectorVision, and Voxim.

Setting  The University of California, Davis, Department of Otolaryngology computer-aided surgery laboratory.

Participants  Four fresh cadaveric heads.

Main Outcome Measure  Mean target registration error.

Results  The StealthStation was the most accurate (mean [SD] target registration error, 1.00 [0.04] mm), followed by VectorVision (1.13 [0.05] mm) and then Voxim (1.34 [0.04] mm). All values met statistical significance (P < .05).

Conclusions  Measurable accuracy differences were found among the navigation systems evaluated. The StealthStation was the most accurate. However, the differences are small, and the clinical significance for maxillofacial reconstruction is negligible.

Author Affiliations: Department of Otolaryngology, University of California, Davis, Sacramento (Drs Strong, Rafii, and Fuller), and Department of Craniomaxillofacial Surgery, University Freiburg, Freiburg, Germany (Drs Holhweg-Majert and Metzger).

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