Seong-Hun Kim (Sunny), DMD, MSD, PhD, is a Professor and Head of the Department of Orthodontics School of Dentistry, Kyung Hee University. He is also a visiting assistant professor of the Department of Orthodontics, Saint Louis University, and Visiting Professor and Honorary Head, Department of Orthodontics, National Hospital of Odontology and Stomatology, in Hochiminh City, Vietnam. Dr. Kim has lectured and published nationally and internationally on temporary skeletal anchorage devices (mini-implant and miniplate), corticotomy-related orthodontics, Digital Orthodontics, and Biocreative Orthodontics Strategy. He is the author of 9 international text books and over 150 international and domestic scientific articles about this topic.