1. State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology Sichuan University Chengdu China
2. Department of Prosthodontics, West China Hospital of Stomatology Sichuan University Chengdu China
3. Department of Clinical Laboratory, West China Hospital of Stomatology Sichuan University Chengdu China
4. Department of Periodontology, West China Hospital of Stomatology Sichuan University Chengdu China