Before revision: 255x255px|A case of severe gummy smile as seen in a young woman Gummy smile, also known as excessive gingival display, is a smile that shows an excessive amount of gum under the upper lip.
After revision: 255x255px|A case of advanced gummy smile as seen in a young woman255x255px|A case of severe gummy smile as seen in a young woman Gummy smile, also known as excessive gingival display, is a smile that shows an excessive amount of gum under the upper lip.