1. Key Laboratory for Ultrafine Materials of Ministry of Education
2. East China University of Science and Technology
3. Shanghai 200237
4. China
5. Department of Orthopaedics Trauma
6. Changhai Hospital
7. Second Military Medical University
8. Shanghai 200433
9. College of Physical Science and Technology
10. Sichuan University
11. Chengdu 610041
12. Department of Oral and Maxillofacial Surgery
13. Laboratory of Interdisciplinary Studies
14. School and Hospital of Stomatology
15. Peking University
16. Beijing 100081