The term Laser is the acronym of ‘Light Amplification by Stimulated Emission of Radiation’ .Lasers have become quite popular over the years due to it sunique properties. The first dental laser dates back to 1960 with the introduction of ruby lasers in to dentistry by T.H. Maiman. Today, lasers find its application in all the branches of dentistry. Many studies have been conducted on lasers and much literature is available as of today on the application of Lasers in dentistry. The aim of this article is tore view the application of lasers in the management of Potentially Malignant Disorders of the oral cavity.