10 Fun Dental Facts

Updated January 2021

Fun facts about the mouth and dentistry!

  1. The enamel that covers the top of your tooth is the hardest substance in the human body
  2. Children have 20 baby teeth and adults have 32 permanent teeth
  3. If you don’t floss your teeth, your are missing 40% of your tooth enamel
  4. The average American spends 38.5 total days brushing their teeth over a lifetime
  5. Children laugh about 400 times a day, adults laugh on average only 15 times a day
  6. 78% of Americans have had at least one cavity by age 17
  7. More than 300 types of bacteria make up dental plaque
  8. Dogs have 42 teeth, cats have 30 teeth, pigs have 44 teeth, and an armadillo has 104 teeth
  9. An elephant’s molar is 7 inches square and can weigh over 6 pounds!
  10. The average person only brushes 45-70 seconds/day and the recommended amount of time is 2-3 minutes. *Pro Tip: Get a toothbrush that has a timer on it, so that you brush your teeth for at least two minutes!