34 case 14 Osteosarcoma of the Mandible Diagnosis Treatment Dr. LadorR. Clinical Issue Gender t I Age 54 years old Malignant tumor in the lower jaw. Synergy3DMed produced a printed 30 model of the jaw to improve visualization of the tumor and the best course of action. Two cutting guides enabled precise resection of the jaw, preserving the joint, and held the jaw in place for reconstruction. The patient was able to resume a normal lifestyle. Cardiology division, Tel-Aviv Sourasky Medical Center, Tel-Aviv University, Tel-Aviv, Israel Osteosarcoma of the right mandible, adjacent to the temporomandibular joint. Surgical Plan Wide resection of hemimandible, preserving the TMJ. PSKit Plan Two cutting guides according to the cutting planes; a model capable of bending the plate at a right angle; a cradle to hold the mandible in the correct position after cutting.