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Color change (∆E) measured at the end of treatment
| Treatment | ∆E | |||
|---|---|---|---|---|
| Water | Herbal ethanolic extract | CHX | Herbal decoction | |
| Mean | 0 | 6.61 | 6.56 | 6.74 |
| SD* | 0 | 0.218157 | 0.227851 | 0.344344 |
| p-value** | 0.000 | |||
| Tukey HSD | CHX = Herbal mouthwashes (decoction, ethanolic) Water < other treatments | |||
*SD, standard deviation; **p < 0.05 indicates significant
