1.   Bright is eclipsed, though it lingers in toothpaste ads.

2.   Ever hear of plaque, the stuff all those toothpaste ads promise to get rid of?

3.   From bleaching and bonding to invisible braces, dentists can transform even a snaggle tooth smile into a copy of a toothpaste ad.

4.   His smile is engaging, like the ones seen in toothpaste ads.