What Is the Best Way to Whiten Teeth? (Video)
Many people have turned to over-the-counter teeth-whitening treatments. How do these work, and are they safe?
Register for free to listen to this article
Listen with Speechify
0:00
5:00
WASHINGTON, April 26, 2016—In the age of selfies, it seems everyone wants to have a whiter, brighter smile. While one option to achieve this involves a trip to the dentist for a professional whitening, many people have turned to over-the-counter teeth-whitening treatments. How do these work, and are they safe? This week, Reactions looks at the chemistry of a whiter smile.
