Though you may think of them as supporting actors, healthy gums play a crucial role in a photogenic smile. "You can have beautiful teeth but if your gums aren’t healthy, that detracts from your smile," says McClain, president of the American Academy of Periodontology. Take Julia Roberts, McClain says: "She’s got a big smile, and she has a really nice blend of gum tissue and tooth."
Smile Tip #6: Practice
Your perfect smile might not happen overnight. If you have a big photo event like a wedding or graduation coming up, take time to practice smiling in front of a mirror. You can see how it looks and feels when you hold your shoulders back proudly and strike a natural, unforced smile. You can also play around with turning your head and finding your best angle.