Beethoven Dental Encyclopedia offers professional orthodontic video courses. Members can learn about the latest orthodontic treatment at their own pace, from the comfort of their home. All courses are instructed by world famous speaker, Dr. Chris Chang. This step-by-step practical course will make your learning an informative and fun experience. Account:guest. PW:guest.

貝多芬牙醫百科全書提供您完整的的矯正植牙視訊課程。會員可以依照自己的速度,在家就可以輕鬆學習到最新實用的矯正治療方式，全程課程都是由世界知名的講師-貝多芬矯正中心院長張慧男主講。帳號：guest，密碼：guest。