When smiling, ideally there should be a display of upper teeth and a slight amount of gum displayed as well. In many circumstances there is an excessive amount of gum displayed (this is known as a gummy smile). In order to reduce the gum display so that there can be an ideal amount of tooth and gum showing it is necessary to move both the gum and bone higher up on the teeth. The bone is gently sculpted to create room for the gum tissue to be ideally positioned. Hence the correct proportions of the teeth and gum are now visible.