1. Department of Prosthodontics
2. Ninth People's Hospital Affiliated to Shanghai Jiao Tong University
3. School of Medicine
4. Shanghai 200011, China
5. Oral Bioengineering Lab
6. State Key Laboratory of High Performance Ceramics and Superfine Microstructure
7. Shanghai Institute of Ceramics
8. Chinese Academy of Sciences
9. Shanghai 200050, China
10. Shanghai Key Laboratory of Stomatology