机译:由新型钻头导向模板辅助的寰枢椎弓根螺钉的精度评估
China Japan Friendship Hosp, Dept Spinal Surg, Beijing 100029, Peoples R China;
Hong Hui Hosp, Dept Spinal Surg, Taiyuan 710054, Shanxi, Peoples R China;
Atlantoaxial instability; Pedicle screw; Drill guide template; Rapid prototyping;