1. State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Pediatric Dentistry West China Hospital of Stomatology, Sichuan University Chengdu Sichuan 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, Sichuan University Chengdu Sichuan China
3. State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Implantology West China Hospital of Stomatology, Sichuan University Chengdu Sichuan China