Pop Quiz: Know Your Teeth!
What’s the hardest substance in the human body?
Bone, enamel, cartilage or iron
Enamel forms your teeth’s outer layer. It protects them from wear and tear, and from harmful bacteria.
Which of these is not one of the different types of teeth?
Molars, canines, precanines or incisors
You have four types of teeth: incisors, canines, premolars and molars.
How long should you spend each time you brush?
30 seconds, two minutes, five minutes or six minutes
Many dentists recommend that you brush for at least two minutes. Don’t cheat! And don’t forget to floss!