1. Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Shandong University and Shandong Provincial Key Laboratory of Oral Tissue Regeneration and Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong 250000, P.R. China
2. Department of Stomatology & Precision Biomedical Laboratory, Liaocheng People's Hospital, Liaocheng University, Liaocheng, Shandong 252000, P.R. China
3. School of Stomatology, Weifang Medical University, Weifang, Shandong 261000, P.R. China
4. Biomedical Laboratory, Medical School of Liaocheng University, Liaocheng, Shandong 252000, P.R. China