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CDEN0109

I 09 case study _ tooth whitening I cosmeticdentistry 1_2009 possibility of additional treatment of the upper lateral incisorswasgivenincasethewhitedecalcificationareas wouldnotblendinnaturallywiththewhitenedteeth. Toothwhiteningcanbeperformedeitherathome with the use of a relatively low concentration of whitening agent delivered in a custom-fabricated tray or in the office with higher concentrations of hydrogenperoxideandaresinbarriertopreventthe gel from irritating the soft tissue. Generally, the use of light activation to accelerate the procedure is optional. Fig. 2_Intra-oral view before whitening. Fig. 3_Power whitening with a light-activating device. Fig. 4_Distinct colour difference between the upper and lower teeth. Fig. 2 Fig. 3 Fig. 4 Fig. 5