When decay occurs below the gumline, it may be necessary to expose more of the tooth so it can be restored. This is done by removing a small amount of bone and gum tissue before a new crown is made for your tooth.
Sometimes crown lengthening is done to improve a “gummy” smile because the teeth appear short. The teeth may actually be the proper length but excess gum tissue may be covering these teeth. During this procedure, excess gum and bone tissue is reshaped to expose more of the natural tooth