1. Department of Prosthodontics, Guiyang Hospital of Stomatology, Guiyang, Gsuizhou Province, 550002, People’s Republic of China
2. Department of Prosthodonticsand Oral Implantology, Stomatological hospital of Guizhou Medical University, Guiyang, Guizhou Province, 550004, People’s Republic of China
3. Department of Prosthodontics, School of Stomatology, Guizhou Medical University, Guiyang, Guizhou Province, 550004, People’s Republic of China
4. Clinical Research Center, the Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou Province, 550004, People’s Republic of China
5. Department of Oral and Maxillofacial Surgery, Guiyang Hospital of Stomatology, Guiyang, Guizhou Province, 550002, People’s Republic of China