Results A software of a CAD system of the coping crown and the whole process with the CAD/CAM technique for the manufacture of a coping crown were actualized.

• 结果成功开发了国产底层冠计算机辅助设计系统,实现了底层冠修复体的计算机辅助设计全过程并完成了其计算机辅助制作的全过程。