A smile — whether it’s a toothy grin or something more subtle — is one of the first things we notice about someone. It projects friendliness, openness, and authenticity. But what if your pearly whites aren’t so pearly these days? A smile that’s yellowed or discolored can leave you feeling self-conscious and undermine the impression you leave on people you meet. If you’re looking for a boost of confidence and a way to leave an indelible positive impression, start with these tips for a whiter smile from Chicago’s Smile On Dental Salon.