Fun Mouth and Teeth Facts - Quiz

See how you fare with your knowledge of mouth and teeth facts. Some of the answers might be surprising!

1. Tooth enamel is the hardest substance in the human body.

• True
• False

2. Which is the most popular toothbrush color?

• A. Blue
• B. Red
• C. Purple

3. The Blue Whale is the largest mammal on earth and it does not have any teeth.

• True
• False

4. The first toothbrushes were tree twigs. When was a toothbrush with bristles patented?

• A. 1600s
• B. 1700s
• C. 1800s

5. How many types of bacteria make up dental plaque?

• A. 25
• B. 300
• C. 3000

6. Which of the following animals has the highest number of teeth?

• A. Dog
• B. Cat
• C. Pig
• D. Armadillo
• E. Snail

7. At birth, the only fully developed human organ is the tongue.

• True
• False

8. On average, how many times does a woman smile in a day?

• A. 25
• B. 50
• C. 62

9. Is it true or false that a bird will go into a crocodile’s open mouth to clean its teeth?

• True
• False

10. How many bristles are on the average toothbrush?

• A. 200
• B. 1000
• C. 2000

11. Prince Charles of England has someone to squeeze toothpaste onto his toothbrush for him.

• True
• False

12. How many times in its lifetime does an elephant grind down its own molars?

• A. 1
• B. 6
• C. 10

Answers

1. True
2. A. Blue
3. True
4. C. 1800s. H. N. Wadsworth got the first patent for an American toothbrush in 1857.
5. B. 300
6. E. Snail
7. True
8. C. 62
9. True
10. C. 2000    
11. True. The Royal Valet squeezes toothpaste onto Prince Charles’ toothbrush.
12. B. 6

Sources: College of Oral Hygienists of Ontario: https://cdho.org/for-the-public/public-education-program/what-to-expect-from-your-dental-hygienist

‍The Canadian Dental Hygienists Association www.dentalhygienecanada.ca