Back To School Contest Answers

1. The average adult human has 32 teeth.

2. An alligator has about 80 teeth at one time. An alligator has 5 sets of replacement teeth. That is a lot of visits from the tooth fairy!

3. The average human produces 25,000 quarts of saliva in a lifetime. That is enough saliva to fill 2 swimming pools!

4. Over 3 million miles of dental floss is purchased in North America each year.

5. It takes 17 muscles to smile but 43 to frown!