Score better than free Crest toothpaste and Oral-B this week at Walgreens! Walgreens has select Crest and Oral-B on sale $3.50 to $4. Buy 2 and you'll score $4 in Register Rewards. Open up your app, ...

Add Yahoo as a preferred source to see more of our stories on Google. Procter & Gamble updated its Crest children’s toothpaste marketing and packaging. Credit: IgorGolovniov / Shutterstock.com.

Can toothpaste stain teeth? That seems counterproductive as toothpaste is meant to clean teeth. Some brands even go so far as to brand themselves as "stain-fighting" or "stain-erasing." Featured Video ...