Benefits of using laser dentistry over other methods Bleeding is minimized in treated soft tissues, as the laser promotes blood clotting. With some procedures, anesthesia is unnecessary. The chance for bacterial infections is lower because the laser sterilizes the area. What is Laser Dentistry used for? Lasers are used to remove decay within a tooth and prepare the surrounding enamel for receipt of the filling. Gum disease. Lasers are used to reshape gums and remove bacteria during root canal procedures. Is laser treatment on teeth safe? Yes, lasers have been used in dentistry since 1990. Lasers can be used as a safe and effective treatment for a wide range of dental procedures and are often used in conjunction with other dental instruments. ... Dental lasers can be used to: reduce the discomfort of canker and cold sores.