1. Department of Prosthodontics Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Enginneering of Higher Education, Chongqing, China
2. Department of Prosthodontics Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Enginneering of Higher Education, Chongqing, China. fuxiaoming3@163.com
3. Department of Prosthodontics Stomatological Hospital of Chongqing Medical University, Chongqing, China
4. Department of Endodontics, Stomatological Hospital of Chongqing Medical University; Chongqing, China