Objective To generate an optimal surface model from external nasal point cloud data for constructing the visible nose and restoring the nasal defect patients by CAD/CAM techniques.

• 目的构建解剖特征清晰的三维外鼻形态表面模型,为建造鼻缺损修复计算机辅助设计/计算机辅助制作系统(computer aided design/computer aided manufacture,CAD/cam)用于可视化数字鼻型库奠定基础。