These stars definitely shine bright in Hollywood—and their pearly whites do too! In honor of National Dentist Day, we created a list of the biggest A-listers with the best smiles. You'll get an urge to attentively brush and floss your teeth after flipping through this slideshow!  Check out these radiant and dazzling celeb choppers.  What celeb do you think has the best smile? Tweet @OKMagazine and leave a comment below. OK! News: Cory Monteith Gets Hottie of the Day! Read More >>