LASER is an acronym for “light amplification by the stimulated emission of radiation.” The instrument is used to create light energy in a very narrow and highly focused beam. When the laser light hits tissue it produces a reaction, allowing it to remove or shape the tissue.Laser dentistry is the use of lasers in treating a variety of dental conditions. It is used to treat the conditions of the teeth and also gum. Compared to drills and other non-laser tools, it provides a more comfortable treatment for certain dental procedures. Especially treatments that involve hard or soft tissue. According to the Best Dental Clinic in Kolkata, through the help of a laser light energy is created in a narrow and focused beam. When this beam hits the tissue, it removes or shapes it.