【Chris Chang Ortho】CC461.

[@patriciavollmann2623]

Dr. Chang El mejor del mundo y totalmente altruista con sus conocimientos, sencillo y natural!💝🌸🌸🌸

[@ramanshali8291]

Sir you are an atrist👏 thank you for sharing such cases

[@joseignaciomesam]

I appreciate these videos because I learn a lot. These videos are important to me. Congratulations

[@moazelsheikh1106]

Dear prof..... Can you please make video to show how surgical assisted rapid maxillary expansion

[@fedore19july08]

Song name??? please Dr!! Beautifull to work with

[@ramyhendy4334]

Can you make video about wire sequence in most of cases and how we use it ?

[@ChrisChangOrtho]

Please go to itunes.apple.com/tw/app/beethoven-dental-encyclopedia/id487636267?mt=8&ign-mpt=uo%3D4 to get the app for more information about the dental knowledge. Thank you, my friend!

[@umarhussain5957]

Sir plz can you explain how moment and extrusion of upper second premolar was controlled with light wire and elastic

[@ChrisChangOrtho]

Please go to itunes.apple.com/tw/app/beethoven-dental-encyclopedia/id487636267?mt=8&ign-mpt=uo%3D4 to get the app for more information about the dental knowledge. Thank you, my friend!