WONDER #1248: What Makes Your Teeth Whiter?
Question 1 of 3
Teeth get discolored when staining agents sink into which layer of the tooth?
- all of the above
Question 2 of 3
The two most popular chemicals used to whiten teeth are carbamide peroxide and what else?
- carbon dioxide
- dihydrogen oxide
- enamel oxide
- hydrogen peroxide
Question 3 of 3
Two common possible side effects of teeth whitening are gum irritation and what else?
- tooth sensitivity
- upset stomach
Check your answers online at https://www.wonderopolis.org/wonder/what-makes-your-teeth-whiter.