Dr. Chris Chang
A diplomate of the American Board of Orthodontics, Dr. Chang received his PhD in bone physiology and certificate in orthodontics from Indiana University. He is publisher of the International Journal of Orthodontics and Implantology (iJoI), author of the workbook for the International Association of Orthodontists and Implantologists and co-author of Orthodontics, Volumes I, II & III. In private practice, Dr. Chang also lectures worldwide on a wide range of topics, including impaction therapy, PSL mechanics, gummy smiles, TADs, and Steve Jobs's effective presentations. As a private instructor, he has taught 2,000+ doctors from 21 countries and is actively involved in the design of TADs and their application in impaction treatment.