1. Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Lab of Fujian College and University School and Hospital of Stomatology, Fujian Medical University Fuzhou China
2. Orthodontics Department, School and Hospital of Stomatology Fujian Medical University Fuzhou China
3. Institute of Stomatology & Research Center of Dental and Craniofacial Implants, School and Hospital of Stomatology Fujian Medical University Fuzhou China
4. Department of Preventive Dentistry School and Hospital of Stomatology, Fujian Medical University Fuzhou China