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[The evaluation of computer-aided simulating system in orthognathic surgery]
1Department of Oral Maxillo-facial Surgery,School of Stomatology,Shanghai Second Medical University. Shanghai 200011,China.
Summary
Computer simulations for orthognathic surgery showed high reliability, closely matching actual patient outcomes. While predictions were generally accurate, actual results were preferred for aesthetics, easing concerns about unrealistic computer-generated outcomes.
Area of Science:
- Dentistry
- Orthodontics
- Medical Simulation
Background:
- Orthognathic surgery corrects dentofacial deformities.
- Computer-aided simulations are increasingly used to predict surgical outcomes.
- Evaluating the reliability of these simulations is crucial for clinical application.
Purpose of the Study:
- To assess the reliability of a computer-aided simulating system for orthognathic surgery.
- To compare simulated post-treatment outcomes with actual patient results.
Main Methods:
- 24 patients with dentofacial deformities underwent orthognathic surgery.
- Presurgical cephalograms and facial profiles were digitized and input into a simulation system.
- Simulated outcomes were compared against actual post-treatment cephalograms and profiles.
Main Results:
- Predicted and actual post-treatment soft tissue profiles demonstrated significant similarity.
- Discrepancies were noted primarily in the lower lip region.
- Actual post-treatment images were consistently rated as more esthetic than simulated predictions.
Conclusions:
- Computer-aided simulation systems demonstrate good reliability for orthognathic surgery planning.
- The system allayed fears of unrealistic or overly idealized computer-generated predictions.
- Actual surgical outcomes were perceived as more esthetic than simulated ones.