CC379 American Association of Orthodontists AAO 2016 Chris Part 7
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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
11:32
CC305. Forum Chris Chang Part A
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Bite Turbo & Elastics by Dr. Joshua Lin｜【Chris Chang Ortho】CC526
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IZC Screw - Angle Society 2017 Part 1｜CC410
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CC302. Buccal Shelf Screw for Angle Meeting
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Class III Malocclusion with Anterior Crossbite｜【Chris Chang Ortho】CC419
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Keys to Finishing 4
6:21