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Table 5 PIDAQ results at different time points. A: Statistically significant differences (Wilcoxon test, < 0.05) versus baseline. Expressed in median values (minimum/maximum). B: Statistically significant differences (Wilcoxon test, p < 0.05) versus 1 week after bleaching

From: The change of teeth color, whiteness variations and its psychosocial and self-perception effects when using low vs. high concentration bleaching gels: a one-year follow-up

  Time Points
Dimension Baseline 1 week 1 month 6 months 12 months
after bleaching after bleaching after bleaching after bleaching
Dental Self-Confidence 16 23 22 22 23
(11:28) (15:28) A (16:29) A (13:27) A (14:29) A
Social Impact 17 16 12 13 10
(9:34) (8:27) A (8:26) AB (8:24) AB (8:24) AB
Psychological Impact 19 15 13 14 11
(8:26) (6:22) A (6:23) A (6: 22) A (6:19) AB
Esthetic Concern 7 6 5 3 3
(3:15) (3:10) A (3:10) A (3: 9) A (3:10) A