牙周病    廣東話  

https://www.youtube.com/watch?v=72uz-gyCJJ8
牙齒的重要性 
https://www.youtube.com/watch?v=my7LgaRRrbE
牙齒矯正
 https://www.youtube.com/watch?v=LPV3EaLYyoY
常見牙科疾病 牙周病與牙髓炎
https://www.youtube.com/watch?v=qRA1WC9N-40
深入瞭解人工植牙
https://www.youtube.com/watch?v=DloYx2qVzxg
all
https://www.youtube.com/playlist?list=PLTAy5FIIZRahNWbPKKvcjd-xk1URvSA6W
https://www.youtube.com/channel/UCI5pReHns7FI2Z-CbnUpwhA