1. Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University , Nanjing, Jiangsu 210029, PR China
2. Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University , Nanjing, Jiangsu 210029, PR China
3. Department of Restorative Dental Sciences, Faculty of Dentistry, The University of Hong Kong , Hong Kong SAR, PR China
4. Senior Department of Orthopedics, The Fourth Medical Center of PLA General Hospital , Beijing, 100048, PR China
5. Beijing Engineering Research Center of Orthopedics Implants , Beijing 100048, PR China
6. State Key Laboratory of Military Stomatology , Xi'an 710032, PR China