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| Second quadrant | T0-T1 (P-value) | T1-T2 (P-value) | T0-T2 |
|---|---|---|---|
| PI | 0.367 | 0.13 | 0.011* |
| GI | 0.857 | 0.022* | 0.03* |
| GBI | 0.458 | 0.088 | 0.014* |
PI = plaque index, GI = gingival index, and GBI = gingival bleeding index.
*= statistically significant.
