Table 6.
OHIP results at different time points
| Time Points | |||||
|---|---|---|---|---|---|
| Dimension | Baseline | 1 week after bleaching | 1 month | 6 months | 12 months |
| after bleaching | after bleaching | after bleaching | |||
| Functional limitation | 3 (0:7) | 3 (0:6) A | 2 (0:6) A | 2 (0:5) AB | 2 (0:6) A |
| Physical pain | 3 (0:7) | 2 (0:4) A | 2 (0:6) A | 2 (0:6) A | 2 (0:5) A |
| Psychological discomfort | 3 (0:7) | 3 (0:5) | 3 (0:5) AB | 3 (0:6) | 3 (1:5) A |
| Physical disability | 1 (0:4) | 0 (0:3) A | 1 (0:2) A | 4 (0:6) A | 0 (0:3) A |
| Psychological disability | 1 (0:5) | 0 (0:3) A | 0 (0:3) A | 5 (0:6) A | 0 (0:3) A |
| Social disability | 0 (0:4) | 0 (0:3) A | 0 (0:2) A | 6 (0:6) A | 0 (0:2) A |
| Handicap | 0 (0:4) | 0 (0:3) A | 0 (0:3) A | 7 (0:6) A | 0 (0:2) A |
| Sum | 14 (6:31) | 10 (3:19) A | 10 (0:19) A | 8 (0:6) A | 8 (2:22) A |
Expressed in median values (minimum/maximum). A: Statistically significant difference (Wilcoxon test, < 0.05) versus baseline. B: Statistically significant differences versus previous time-point (Wilcoxon test, p < 0.05)