點解牙齒有白斑？

【照鏡睇睇】點解牙齒有白斑？ 原來同你細個飲水刷牙都有關

家長要好好為小朋友選用無氟的牙膏，被免牙齒有白斑，影響日後燦爛的笑容😁

http://hk.apple.nextmedia.com/realtime/international/20161201/55985175

http://www.biomedicworkshop.co/products/red-seal-kids-toothpaste-1

😁