Do you know orthodontic expansion can achieve a natural Full Smile/Wide Smile? (Full Smile vs. Narrow Smile) What is Narrow Smile? Narrow smile refers there are black/dark corners of your lips when you smile. In severe case, people look like they don’t have back teeth when they smile. On the controversy side, a Hollywood smile is a full smile. What is right expansion? A right expander can achieve true bony expansion resulting an attractive full smile. In orthodontics, there a