Dr. Long received his dental degree in both medicine and dentistry (MD, DDS, Hubei Medical University) in 1983 and Ph.D. in Department of Oral and Maxillofacial Surgery, School of Stomatology, Hubei Medical University in 1997. He is a professor of Department of Oral and Maxillofacial Surgery, School of Stomatology, Wuhan University. Dr. Long is an expert in Oral and Maxillofacial Surgery, especially in TMJ disease. He successfully performed thousands of oral and maxillofacial surgical procedures conducted basic and clinical research. He has published many medical articles and edited or contributed several books. He has a studying and working experience as visiting scholar at The Second Department of Oral Surgery, Tokyo Medical and Dental University, Tokyo, Japan in 1992, also as visiting scholar at Oral and Maxillofacial Surgery Unit, University of Adelaide, South Australia in 2004. He was a member of the Oral and Maxillofacial Surgery Society of the Chinese Stomatological Association from 1998 to 2012. Since 1997, he has been Vice President, China National Society of TMD & Occlusion and was a member of the Oral and Maxillofacial Surgery Society of the Chinese Stomatological Association. Now he is the president-elect of Chinese Society of TMD (Temporomandibular Disorders) & Occlusion, CSA.