ABSTRACT: Aesthetics of the teeth is of great importance to patients, including tooth colour. Of the various causes of tooth discoloration, fluorosis, enamel hypoplasia, medication staining etc. is commonly encountered. The treatment options for discoloration are varied depending on individual case basis. Dental bleaching offers a conservative, simplified, and low cost approach to change the colour of discoloured teeth. The pigments oxidation is responsible for tooth bleaching and can be carried out with two different products; carbamide peroxide and hydrogen peroxide. In addition, light-activated bleaching gels have been growing among dental professionals mainly due to the fastening of the whitening procedure and/or therapeutic purposes. Thus, the objective of this case report is to present the bleaching protocol and efficacy of a light-activated bleaching agent.