a three - dimensional surgery simulation system is provided for generating a three - dimensional surgery simulation result of an anatomical part undergoing a simulated surgical procedure . the system includes a display unit , a three - dimensional visual imaging unit , a storage unit for storing a plurality of voxelized three - dimensional model image data sets , an input unit for controlling progress of the simulated surgical procedure , and a computing unit for computing the simulation result data in accordance with the voxelized three - dimensional model image data sets and under the control of the input unit , and for controlling the display unit to permit viewing of the surgery simulation result in three - dimensional form thereon by an operator wearing the visual imaging unit .