Objective To study the establishment of the database of the skull bone defect after trauma for the research on the three-dimensional measurement and individual reconstruction.Methods Using 3DMSR(3-dimension medicine surface rendering),a computer-based 3D model of the cranial bone defect is created from electron beam CT-data and serves as the basis for the rapid prototyping technology(RP),the individual reconstruction and the establishment of the database.Results Since 1995,a total of 84 patients suffering f...