This hour, we sink our teeth into, well, teeth! We find out why oral hygiene is so important to our health, and why Americans are so obsessed with straight, white smiles.
A little later, Canadian writer Michael Hingston tells us the fascinating history of the tooth fairy.
- Dr. Thomas Peters - Connecticut-based dentist
- June Thomas - Culture critic for Slate
- Michael Hingston - Journalist and writer based in Edmonton, Alberta
Colin McEnroe and Chion Wolf contributed to this show.