OBS TAD applications Part 1｜【Chris Chang Ortho】CC481
27:04
OBS TAD applications Part 2｜【Chris Chang Ortho】CC482
13:03
Bite Turbo & Elastics by Dr. Joshua Lin｜【Chris Chang Ortho】CC526
11:32
CC305. Forum Chris Chang Part A
51:25
When and How to use "Orthodontic Screw" (All Lectures Edition 1~12)
17:12
BT & Elastics｜Timing & Position 咬合墊高與橡皮筋的使用時機與位置-Part 2｜【Chris Chang Ortho】CC542
11:06
CC379 American Association of Orthodontists AAO 2016 Chris Part 7
12:23
【Chris Chang Ortho】CC442.
6:39