課程目標 Lesson objective: 

1. 了解形成蛀牙的原因。

2. 知道如何挑選合適自己的牙刷和牙膏。

3. 知道如何照顧他們的牙齒。

課程任務 Lesson Assignment:

1. Lesson 1 Period: tooth decay, tooth, food, time, bacteria

2. Lesson 2-1st Period: toothbrush, toothpaste, fluoride, mouth rinse

3. Lesson 2-2nd Period: upper teeth, lower teeth, outer surface, inner surface, chewing surface

4. Lesson 2-3rd Period: Oral assessment