Periodontal laser surgery and treatment does not create resistances to medicines you may need some day and they do not suppress your immune system as antibiotics can. Lasers are also extensively used in RCT for complete elimination of the bacteria from the root canal so that the recurrence / failure chances are less. Laser depigmentation of the gums and laser bleaching is another aspect that is gaining prime importance because of the demanding esthetics in today’s generation. Sensitivity of the teeth is a common symptom of majority of the elderly patients. Laser helps in desensitization of the teeth.