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Digital Hybrid Model Preparation for Virtual Planning of Reconstructive Dentoalveolar Surgical Procedures

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Construct, Face, and Content Validation on Voxel-Man® Simulator for Otologic Surgical Training.

M Varoquier¹, C P Hoffmann^1,2, C Perrenot³

¹Department of Oto-Rhino-Laryngology, Head and Neck Surgery, University Hospital of Nancy, 29 Av. de Lattre de Tassigny, 54000 Nancy, France.

International Journal of Otolaryngology

|May 30, 2017

Summary

The Voxel-Man TempoSurg Virtual Reality simulator shows promise for otologic surgery training. Expert ear, nose, and throat surgeons found it a valuable tool for anatomical learning and surgical skill development.

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Area of Science:

Medical Simulation
Surgical Education
Virtual Reality in Medicine

Background:

Traditional otologic surgery training relies on cadaveric dissection and observation.
There is a need for innovative tools to supplement existing surgical education methods.
Virtual reality (VR) simulators offer a potential solution for accessible and repeatable surgical training.

Purpose of the Study:

To evaluate the face, content, and construct validity of the Voxel-Man TempoSurg VR simulator.
To determine if the simulator can differentiate between surgical expertise levels.
To assess the simulator's suitability for anatomical learning and integration into surgical training curricula.

Main Methods:

74 ear, nose, and throat (ENT) surgeons (16 experts, 58 novices) performed temporal bone dissections on the Voxel-Man TempoSurg simulator.
Performance was assessed using a global score to evaluate construct validity.
Expert surgeons rated the simulator's face and content validity using a Likert scale.

Main Results:

Expert surgeons significantly outperformed novices in performance (p < .01) and speed (p < .001).
No significant differences were found between groups in bone volume removed or number of injuries.
93.7% of experts recommended the simulator for anatomical learning, and 87.5% supported its integration into training.

Conclusions:

The Voxel-Man TempoSurg VR simulator demonstrates strong construct validity, distinguishing between expert and novice surgeons.
The simulator is perceived by experts as a valuable tool for anatomical learning and surgical training.
It represents a promising complementary resource to traditional otologic surgery education methods.