If your teeth are misshapen, but not necessarily crooked, cosmetic contouring, or reshaping, might be the best option for you. The procedure is generally completed in a single visit and takes less than 30 minutes to complete. During this procedure a dentist will alter the shape and length of the bothersome teeth. In some instances, the position of the teeth being treated is also altered to provide a more cosmetically appealing look. Using a sanding drill or laser, the dentist gently sculpts the teeth by carefully removing the enamel. As the enamel is removed, the shape of the treated tooth is altered. Once the desired shape has been achieved, the teeth are smoothed and polished.