It is used as a highly effective alternative to painful and noisy drilling procedures. It is used to perform a variety of functions, including cavity removal, tooth restoration, and periodontal surgery.Dental lasers can also remove plaque and dental decay from a cavity-affected tooth, preparing it for a filling. A laser beam can also help harden bonding material. Laser Dentistry can in some cases effectively reshape gums, remove excess or affected gum tissue in gum disease sufferers, and remove bacteria from between diseased gums and teeth.