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Gingival index of four groups at two different periods (baseline and after 2 months) and comparison (P value) of difference in mean gingival index
| Groups | Baseline | 2 months | Comparison |
|---|---|---|---|
| A | 0.97±0.10 | 0.53±0.11 | <0.001 |
| B | 1.03±0.09 | 0.47±0.10 | <0.001 |
| C | 1.00±0.13 | 0.60±0.09 | <0.001 |
| D | 1.03±0.13 | 0.53±0.10 | <0.001 |
Newman-Keuls test showed significant (P<0.001) decrease in mean GI at 2 months. GI – Gingival index; P<0.001= Highly Statistically Significant
