: Laser have various applications in every section of modern society including consumer electronics, information technology, science, medicine, fiber optic communication, industry, law empowerment, entertainment and military. Several medical specialities use laser in their daily practices and it has become standard of care for surgical therapy in opthalmalogy, otolaryngology and gynecology. In recent years, use of laser in dentistry increased in different area of treatment. Initially, laser introduced as an alternative approach to mechanical cutting device to reduce the patient discomfort. It has now become an instrument of choice in many periodontal procedures both in non-surgical and surgical procedure. It is also used in implant procedure and in the treatment of peri-implantitis. Some of the recent advances in laser provides additional benefit to the periodontal therapy. Use of lasers has become a topic of much interest and is a promising field in periodontal therapy