1. Department of Orthopedics, The Second Xiangya Hospital, Central South University; Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital Central South University Changsha 410011 P.R. China
2. Key Laboratory of Powder Metallurgy Central South University Changsha 410083 P.R. China
3. Key Laboratory of Translational Cancer Stem Cell Research Hunan Normal University Changsha 410081 P. R. China
4. Department of Geriatric Dentistry Peking University School and Hospital of Stomatology Beijing 100081 P. R. China
5. Hospital of Stomatology, Guanghua School of Stomatology Sun Yat‐sen University Guangzhou 510055 P.R. China
6. Liaoning Provincial Key Laboratory of Oral Diseases, The VIP Department, School and Hospital of Stomatology China Medical University Shenyang 110002 P.R. China
7. Third Clinical Division Peking University School and Hospital of Stomatology Beijing 100081 P. R. China
8. College of Stomatology Chongqing Medical University Chongqing 401147 P. R. China