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采用ＣＴ旋转断层扫描法及冠状断层扫描法荻取全下颌牙种植义齿及颌骨各结构连续断面的ＣＴ影像，将结构轮廓均匀放大后描记于透明坐标纸上，输入美国ＳＧＩ公司ＩｎｄｉｇｏⅡ型计算机，应用Ｉ－ＤＥＡＳＦＥＭ软件，经数据处理完成三维形态数字仿真模型重建，划分单元和节点，建立三维有限元实体模型。
The CT images of all the mandibular implant dentures and continuous structures of the jaws were acquired by CT scanning and coronal tomography. The structures were magnified and magnified and then recorded on the transparent coordinate paper. The images were imported into the Indigo II computer of SGI, I-DEASFEM software is used to reconstruct the three-dimensional digital simulation model through data processing. The unit and node are divided into three-dimensional finite element solid model.