In one survey, 65 percent of people with white teeth were perceived to be more professional than those with dingy ones. And maintaining good oral health can boost your savings as well as (potentially) your earning power. On average, people spend more than $600 per year in dental care. Use this guide to maintain and beautify your choppers. Plus: 11 Tricks to Naturally Whiten Your Teeth »
Zero In on a Toothpaste
You can't go wrong with paste that contains fluoride. Opt for a formula with a mild abrasive agent such as silica, which rubs out surface stains.
Try: The new Colgate Optic White Platinum Whiten and Protect toothpaste ($5; at mass retailers) promises teeth that are three shades whiter in four weeks, plus it seals out new stains. Whichever type of paste you choose, a pea-size dab of it is enough.