Funny series of ads by Saatchi & Saatchi promoting Crest Toothpaste - - Crest will give you such a nice smile that you can tell your girlfriend that you've given her lice and she'll simply ask to take a shower with you:
or tell kids you're going to bulldoze their playground
or ask for a prenup
*Previously: Worst smile, ugliest model.
*Buy vintage advertising at eBay.