Effect of the Purple Corn Beverage “Chicha Morada” in Composite Resin during Dental Bleaching

Figure 1

(a) values after staining and bleaching with 35% hydrogen peroxide. (b) values after staining and bleaching with 35% hydrogen peroxide. (c) values after staining and bleaching with 35% hydrogen peroxide. (d) values after staining and bleaching with 35% hydrogen peroxide. PB: purple corn + bleaching; P: purple corn; TP: green tea + bleaching; T: green tea; WB: distilled water + bleaching; W: distilled water; T0: control; T1: after the first session of bleaching; T2: before the second session of bleaching; T3: after the second session of bleaching; T4: 1 week; T5: 2 weeks; and T6: 4 weeks.

(a)

(b)

(c)

(d)