蛀牙成因

蛀牙成因

 

1.      食物碎屑留於牙縫間，

2.      口腔內的細菌分解食物，

3.      產生弱酸，

4.      弱酸會溶解琺瑯質，形成牙洞。

 

Causes of tooth decay:

1. Food debris left in the gaps between teeth.
2. Bacteria in the mouth cavity break down the food.
3. And produce weak acids.
4. The weak acids dissolve the enamel, causing cavities.