1. Department of Oral and Maxillofacial Surgery, Liaocheng People's Hospital, Medical College of Liaocheng University, Liaocheng, Shandong 252000, P.R. China
2. Key Laboratory of Oral Maxillofacial‑Head and Neck Medical Biology of Shandong Province, Liaocheng People's Hospital, Liaocheng, Shandong 252000, P.R. China