About Me

Full Name

Chang Chris

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



Gummy smile correction

27.5 minutes

Maxillary whole arch intrusion and retraction by Temporary Anchorage Devices …

Speaker/s :

Gummy smile correction

Chang Chris
Last Update March 30, 2021
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