DSI UniLite Endo 60% Carbamide Peroxide bleaching material is specially formulated whitening gel. The main scope of using the DSI UniLite Endo is to whiten endodontically treated, discolored teeth by “walk-in bleach” technique. Once delivered to the pulp chamber, DSI UniLite Endo is then sealed with temporary cement and left in the tooth for 3-5