Table 6. PIDAQ results at different time points.
| Whitening product | Dimension | Time points | |||
|---|---|---|---|---|---|
| Baseline – T0 | 7 days – T1 | 14 days – T2 | p-value | ||
| WT | Dental Self-Confidence | 15.00 (8.00-18.00) | 15.00 (9.00-18.00) | 16.00 (10.00-21.00) | 0.081 |
| Social impact | 0.00 (0.00-5.00) | 0.00 (0.00-3.00) | 1.00 (0.00-6.00) | 0.081 | |
| Psychological Impact | 5.00 (3.00-9.00)a | 5.00 (4.00-8.00) | 4.00 (3.00-8.00)a | ≤0.001* | |
| Esthetic Concern | 0.00 (0.00-1.00) | 0.00 (0.00-2.00) | 0.00 (0.00-3.00) | 0.693 | |
| WT + WP | Dental Self-Confidence | 12.00 (9.00-18.00) | 13.00 (10.00-18.00) | 12.00 (10.00-20.00) | 0.339 |
| Social impact | 1.00 (0.00-5.00) | 1.00 (0.00-5.00) | 1.00 (0.00-3.00) | 0.985 | |
| Psychological Impact | 5.00 (3.00-8.00)a,b | 4.00 (2.00-7.00)b | 4.00 (2.00-6.00)a,b | ≤0.001* | |
| Esthetic Concern | 2.00 (0.00-4.00) | 2.00 (0.00-3.00) | 2.00 (0.00-3.00) | 0.479 | |
| WP | Dental Self-Confidence | 15.00 (13.00-19.00) | 14.00 (12.00-18.00) | 17.00 (12.00-19.00) | 0.094 |
| Social impact | 2.50 (0.00-4.00) | 2.50 (0.00-6.00) | 2.50 (0.0-7.00) | 0.451 | |
| Psychological Impact | 8.00 (3.00-11.75)a | 6.50 (3.00-9.00)c | 4.00 (2.75-6.75)a.c | ≤0.001* | |
| Esthetic Concern | 0.50 (00-4.75) | 1.50 (0.00-3.00) | 1.00 (0.00-3.75) | 0.784 | |
| Values are shown as median and interquartile range. The same lowercase letter in a row indicates statistical significance between different time points (p˂0.05). Abbreviations: T0 - before treatment; T1 - 7 days after the commencement of use; T2 -14 days after the commencement of use; WT – whitening toothpaste, WP – whitening pen, WT + WP – whitening toothpaste and pen. | |||||