1. State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Department of General Dentistry and Emergency, The Hospital of Stomatology, The Fourth Military Medical University, Shaanxi 710000, China
2. State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Shaanxi Key Laboratory of Stomatology, Digital Center, The Hospital of Stomatology, The Fourth Military Medical University, Shaanxi 710000, China
3. State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Orthodontics, The Hospital of Stomatology, The Fourth Military Medical University, Shaanxi 710000, China