Laser stands for “Light Amplification by Stimulated Emission of Radiation”. They are being used for various periodontal therapies. Low level lasers have wavelengths suitable for periodontal healing. Diode laser is an excellent soft tissue laser and it helps in significant bacterial reduction, removal of the inflammatory products while creating excellent hemostasis. A flexible fiber optic delivery system allows the clinician easy and safe access around the periodontal pocket. In this case report the effectiveness of diode laser as an adjunct to scaling and root planing (SRP) in the nonsurgical treatment of chronic periodontitis has been evaluated.