1. Key Laboratory of Microsystems and Microstructures Manufacturing; Micro/Nanotechnology Research Center; Harbin Institute of Technology; Yikuangjie 2 Harbin 150080 China
2. Oral Implant Center; Second Affiliated Hospital of Harbin Medical University; Harbin 150086 China
3. State Laboratory of Robotics and System (HIT); Harbin Institute of Technology; Yikuangjie 2 Harbin 150080 China