Institution: | 1. State Key Laboratory of Oral Diseases, Sichuan University, Chengdu, China;2. Department of Prosthodontics, School of Stomatology, Central South University, Changsha, China;3. Department of Implantology, Hefei Dental Hospital, Hefei, China;4. Department of Prosthodontics, West China College of Stomatology, Sichuan University, Chengdu, China |