A Clinical Study of the Effectiveness of Two Different 10% Carbamide Peroxide Bleaching Products: A 6-Month Followup

<table>Opalescence (Opa) and Nite White (NW). The 25th percentile, median, and 75th percentile differences in the <i>b</i>* values between the baseline (before treatment) and after treatment (14 days) and between baseline and after 6 months.</table>

International Journal of Dentistry

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Figure 3

Figure 3: A Clinical Study of the Effectiveness of Two Different 10% Carbamide Peroxide Bleaching Products: A 6-Month Followup 