What is a “gummy” smile? It is when your upper teeth appear to be smaller because there is an excessive outgrowth of gum tissue.
Thus you will perceive that your upper teeth are too short when compared to the amount of gum tissue that you have.
You are not alone, many Hollywood artists and even renowned Brazilian soccer player Ronaldinho had gummy teeth. Although this condition can affect the aesthetics of your smile it can easily be corrected.