1. Changhai Hospital, The Second Military Medical University, Yangpu Qu, China;
2. Dental Medicine MDT Center, The First Hospital of Shanxi Medical University, Taiyuan, China;
3. Department of Stomatology, Changhai Hospital, The Second Military Medical University, Yangpu Qu, China;
4. Institute of New Carbon Materials, Taiyuan University of Technology, Taiyuan, China;
5. Department of Stomatology, Shanxi Medical University, Taiyuan, China