1. West China School of Stomatology Sichuan University Chengdu China
2. State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Cariology and Endodontics West China Hospital of Stomatology & National Demonstration Center for Experimental Stomatology Education West China School of Stomatology Sichuan University Chengdu China
3. State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & National Demonstration Center for Experimental Stomatology Education West China School of Stomatology Sichuan University Chengdu China