[Table/Fig-4]:
The percentage reduction in severity of dentinal hypersensitivity for each group at different time intervals for probing stimulus
| Groups | Severity | Baseline score n (%) | 1st application (Day 1st) n (%) | 2nd application (Day 7th) n (%) | 3rd application (Day 14th) n (%) | 4th application (Day 21st) n (%) | Statistical inference |
|---|---|---|---|---|---|---|---|
| 30% Indian propolis (Group A) | No Pain | 3 (12%) | 9 (36%) | 8 (32%) | 10 (40%) | 9 (36%) | χ2 = 34.5 df = 12 p = 0.001* |
| Mild | 8 (32%) | 8 (32%) | 15 (60%) | 9 (36%) | 13 (52%) | ||
| Moderate | 9 (36%) | 8 (32%) | 2 (8%) | 6 (24%) | 3 (12%) | ||
| Severe | 5 (20%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | ||
| GC tooth mousse (Group B) | No Pain | 3(12.5%) | 9 (37.5%) | 7 (29.2%) | 15 (62.5%) | 18 (75%) | χ2 = 52.2 df = 12 p =0.000* |
| Mild | 8(33.3%) | 7 (29.2%) | 12 (50%) | 9 (37.5%) | 6 (25%) | ||
| Moderate | 6 (25%) | 8 (33.3%) | 3 (12.5%) | 0 (0%) | 0 (0%) | ||
| Severe | 7(29.2%) | 0 (0%) | 2 (8.3%) | 0 (0%) | 0 (0%) | ||
| Sterile water (Group C) | No Pain | 2 (8.3%) | 5 (20.8%) | 2 (8.7%) | 1 (4.2%) | 0 (0%) | χ2 = 18.5 df = 12 p = 0.100 |
| Mild | 7 (29.2% | 4 (16.7%) | 10 (43.5%) | 11 (45.8%) | 9 (37.5%) | ||
| Moderate | 6 (25%) | 10 (41.7%) | 9 (39.1%) | 9 (37.5%) | 11 (45.8%) | ||
| Severe | 9(37.5%) | 5 (20.8%) | 2 (8.7%) | 3 (12.5%) | 4 (16.7%) |
*p<0.01.