TREATMENT OF DISCOLORATION OF MAXILLARY LEFT LATERAL INCISOR AND CANINE: CASE REPORT

Discoloration of teeth can be classified according to localization and etiology as internal, external or combined. before applying conventional invasive techniques such as all ceramic crown, composite, porcelain laminates and porcelain-metal crowns; bleaching can be attempted when indicated. bleaching with chemical agents is preferred with advantages such as being conservative and development of novel materials and methods. mechanism of bleaching is not clear but it depends on oxidation reaction. bleaching agents used in dentistry consist various forms of hydrogen peroxide. agents such as hydrogen peroxide, sodium perborate and carbamide peroxide are applied. aim of this case report is to present the efficacy of 37% carbamide peroxide bleaching agent with the treatment of discolored devital teeth and follow-up.