Quiz – South Fluoridians

Some people are vigilant about brushing their teeth. Others, not so much. Children tend to stop once they decide it’s no longer fun, but less trips to the dentist can be a strong motivating factor for people of any age. Less time in the dentist chair is attributed in part to the fluoride contained in most toothpaste. Take this quiz to see how much you know about this cavity-fighting agent:

1. Fluoride does not occur naturally in the body.A. True
B. False

2. Which food does NOT contain natural fluoride?
A. Tea
B. Gelatin
C. Cheese
D. Most seafood

3. Which of the following is a good way to help make sure infants and children do not get too much fluoride?
A. Do not use any fluoride supplement without talking to your health care provider.
B. Avoid using fluoride toothpaste in infants younger than 2 years.
C. Use only a pea-sized amount of fluoride toothpaste in children older than 2 years.
D. Avoid fluoride mouth rinses in children younger than 6 years.
E. All of the above.

4. Flouridation (adding fluoride to tap water) helps reduce cavities by more than half.
A. True
B. False

5. You should brush your teeth at least __ times each day.
A. 3
B. 2
C. 1


1. B. False. It does occur naturally as calcium fluoride, and is mostly found in the bones and teeth.

2. C. Cheese. Note: any food prepared in fluoridated water will contain some of that fluoride. Natural sodium fluoride is in the ocean, so most seafood contains fluoride.

3. E. All of the above. Too much fluoride in the diet is rare, but it has been shown to affect the teeth of infants cosmetically.

4. A. True. Fluoridated water is found in most community water systems, but not often in well water.

5. B. Twice daily is the least amount. The recommended amount is after every meal and at bedtime 
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