Liu Lei: Professor and doctoral supervisor of West China Stomatological Hospital of Sichuan University. He is also a member of International College of Dentists (FICD) and China Lecturer Group of International Internal Fixation Association (Faulty, AO/ASIF CMF), member of the Traumatology Group of the Oral and Maxillofacial Surgery Committee of the Chinese Stomatological Association, deputy director of the Stomatology Professional Committee of the Chongqing Society of Traditional Chinese and Western Medicine, member of the Defense Expert Committee of the Attending Physician of Medical Beauty in Sichuan Province, peer review expert of the National Natural Science Foundation, science and technology project review expert of the Ministry of Education, the Ministry of Health, Sichuan, Chongqing and Chengdu, and the standing editorial board of the Progress of Modern Biomedicine, Executive editorial board of China Tissue Engineering Research and Clinical Rehabilitation, review board member of India J STOmatol, Chinese Medical Journal, Chinese Journal of Stomatology, West China Journal of Stomatology and International Journal of Stomatology, and served as Reviewer of three SCI source journals.