The abutting algorithm of false tooth geometrical model with bicubic B-spline curved surface and its anti algorithm of characteristic network controlling vertex are described in detail. The concrete experimental data and its processing results are given.

• 本文详述了利用双三次 B- spline曲面拼接义齿模型的算法及其特征网络控制顶点反算方法 ,并给出具体实验数据及处理结果。