Want Brighter, Whiter Teeth ? Gray or yellowish teeth are causing you not to smile? As you age, consuming certain foods and drinks can stain your teeth. Avoiding some things and applying special agents to your teeth may begin to restore the teeth's whitish luster (and smile). The following slides offer some suggestions that may help restore your sparkling smile. Do-It-Yourself Teeth Whitening Superficial tooth stains can often be removed or reduced by using over-the-counter items such as toothpaste with whiteners, whitener strips, and o