1. State Key Laboratory of Precision Manufacturing for Extreme Service Performance, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
2. Department of Periodontics & Oral Mucosal Section, Xiangya Stomatological Hospital & Xiangya School of Stomatology, Central South University, Changsha 410013, China
3. Institute of Additive Manufacturing, Jiangxi University of Science and Technology, Nanchang 330013, China
4. College of Mechanical Engineering, Xinjiang University, Urumqi 830017, China