1 State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key, Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China.
2 Xijing Hospital, The Fourth Military Medical University, Xi'an 710032, China.
3 Department of Stomatology, Tangdu Hospital, The Fourth Military Medical University, Xi'an 710038, China.
4 The Dental College of Georgia, Augusta University, Augusta, 30912, USA.
5 State Key Laboratory of Oral and Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Key, Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China. Electronic address: niulina831013@126.com.