The paper for the survey is to recapitulate applications of laser, mathematically and also discusses whether the laser can furnish a similar or ameliorate treatment for traditional care. Studies have shown that the use of lasers in the different fields is an efficacious device to increase efficiency, quality, easiness, cost and convenience in dental therapy. The laser is an influential dental auxiliary to control pollution, wound reparations, the discharge and control of tremolo in the expulsion of hard tissues. Lasers designed specifically for this region are surgical and medical devices at the forefront of technology and are used by a large number of doctors in everyday use. Dental laser uses wavelengths that are absorbed in soft or solid tissues and given exceptional privacy in tissue. Its clinical capabilities are extremely complex, providing very good comfort for the patient. Clinical conditions will characterize the various and diverse applications of dental lasers depending on the power used during exposure and absorption of wavelengths in soft or hard tissues, emphasizing the benefits for each case.