When the clinical crowns of teeth are dimensionally short and it is difficult to place a restoration, surgically increasing the length of the clinical crowns can be done. The difficulties presented by short clinical crowns demand a proper treatment plan and a satisfactory result. The desired result is a reflection of an accurate treatment plan. This review examines the biological and surgical considerations as well as various methods of crown lengthening procedures. Changes in periodontal tissues, problems during and after crown lengthening procedures are also matter of concern. The effects...