It is a gingival leveling process usually performed in smile design cases. In every smile design, the appearance of the gums and the harmony between the teeth are aimed. In most smile design projects, it is imperative to make delicate changes to the gums to improve fit. In doing so, we must always consider the biological implications of aesthetic decisions and consider long-term stability. Tooth lengthening procedures are techniques designed to reposition both gum and bone for an aesthetic or biological purpose. Minimally invasive techniques are used whenever possible. However, surgical techniques are also used in patients with excessive gummy smile.