1. Department of Oral & Cranio‐Maxillofacial SurgeryShanghai Ninth People's HospitalCollege of StomatologyShanghai Jiao Tong University School of MedicineNational Clinical Research Center for Oral DiseasesShanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology Shanghai 200011 China
2. School & Hospital of StomatologyTongji UniversityShanghai Engineering Research Center of Tooth Restoration and Regeneration Shanghai 200072 China
3. State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institute of CeramicsChinese Academy of Sciences Shanghai 200050 China