CHRIS CHANG
Invented the OBS® miniscrews (OrthoBoneScrews).
He is a diplomate of the American Board of Orthodontics and an active member of Angle Society-Midwest.
Dr. Chang is the publisher of JDO and has authoredand co- authored many orthodontic books, including «Orthodontics Vols» 1-6, as well as Words of Wisdom, Jobsology and Trumpology.
He received his PhD in Bone Physiology and Certificate in Orthodontics from Indiana University.
Dr. Chris Chang is the founder of Beethoven Orthodontic Center and Newton’s A Inc. in Hsinchu, Taiwan.