1. Useful in the surgical planning of virtually any maxillofacial operation 2. Direct simulation of osteotomies, grafts and the measurement of bone movements 3. Reduce intra-operative time and morbidity 4. Increase accuracy of the surgical reconstruction and minimize complications 5. Reduce Surgeons' stress 6. Improved preoperative selection of implants and transplants 7. High informative value of SMs for teaching and patient information 8. Documentation of unusual cases.

Table 1: Advantages of Stereolithography models (SMs) in surgery.