WONDER #725: What Is Fluoride?

Question 1 of 3

After you eat, what breaks down the sugar left over on your teeth?

1. tongue
2. teeth
3. bacteria
4. lips

Question 2 of 3

Fluoride prevents the acid produced by bacteria from dissolving the what on your teeth?

1. enamel
2. skin
3. roots
4. sugar

Question 3 of 3

Fluoride has been shown to prevent and even reverse what?

1. tooth decay
2. Alzheimer's disease
3. bad breath
4. cancer

Check your answers online at https://wonderopolis.org/wonder/what-is-fluoride.