1. The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University, Wuhan, China
2. Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, Department of Implant Dentistry, Shanghai, China
3. Hospital of Stomatology Wuhan University, Department of Cariology and Endodontics, Wuhan, China
4. Hospital of Stomatology Wuhan University, Department of Prosthodontics, Wuhan, China