Liu Lei: Professor and doctoral supervisor of West China Stomatological Hospital of Sichuan University. He is also a member of the International Dental Association (FICD), a member of the China Lecturer Group of the International Association of Internal Fixation (Faulty, AO/ASIF), a member of the Traumatology Group of the Oral and Maxillofacial Surgery Committee of the Chinese Stomatological Association, a deputy director of the Stomatology Committee of the Chongqing Society of Integrated Traditional Chinese and Western Medicine, a member of the defense expert committee of the attending doctors of Sichuan Medical Beauty, and a peer review expert of the National Natural Science Foundation. The Ministry of Education, the Ministry of Health, experts in evaluating SCIentific and technological projects in Sichuan, Chongqing and Chengdu, the standing editorial board of Modern Biomedical Progress, the executive editorial board of China Tissue Engineering Research and Clinical Rehabilitation, the review members of Indian J Stomatology, Chinese Medical Journal, Chinese Journal of Stomatology, West China Journal of Stomatology and International Journal of Stomatology, and served as the review members of three sci source journals.