Table 3.
Intragroup and intergroup comparison of decayed, missing, filled surfaces on the tooth in various groups
| Groups | Baseline DMFS | 18thmonth DMFS | Difference in DMFS | Significance | |
|---|---|---|---|---|---|
|
| |||||
| t** | P | ||||
| PrBTB | 1.50±2.06 | 1.55±2.04 | 0.05±0.22 | 1.00 | 0.33 (NS) |
| PoBTB | 1.50±1.85 | 1.60±1.85 | 0.10±0.31 | 1.45 | 0.16 (NS) |
| RPoBTB | 3±3.03 | 3.25±3.20 | 0.25±1.12 | 1.00 | 0.33 (NS) |
| ANOVA F* | 1.07 | 1.43 | 0.47 | ||
| P | 0.35 (NS) | 0.25 (NS) | 0.63 (NS) | ||
*Intragroup comparison - paired t-test, **Intergroup comparison - one-way ANOVA P≤0.05 statistically significant. PrBTB: Prebreakfast tooth brushing group, PoBTB: Postbreakfast tooth brushing group, RPoBTB: Prebreakfast rinsing followed by postbreakfast tooth brushing group, DMFS: Decayed, missing, filled surfaces on the tooth, ANOVA: Analysis of variants, NS: Not significant