Speaker: Dr. Kelvin Chang (Taiwan) Topic: Treating Protrusion with Three-Dimensional Considerations. At VAO-WIOC 2025, Dr. Kelvin Chang – an international expert in orthodontics with over a decade of involvement with the WIOA (World Implant Orthodontic Association), having served in key roles such as: Secretary-General from 2014 to 2016. Advisor to the Association since 2016. will…
