Gum Line Contouring for a Shapelier Smile A beautiful smile can be very distracting if your gums are too prominent. Our gums serve an important purpose, but certainly should not be the focal point of your smile. Large, thick gums tend to make teeth look short and stubby, which is not nearly as attractive as longer, more visible teeth. We all know someone, that one friend, who always covers their mouth when they smile. Laughing ...