Against water, experimental toothpaste’ ability to inhibit staining substance adhesion to coffee, tea and wine (n=3) (unit: %)
| DE average % reduction vs. H2O | ||||
|---|---|---|---|---|
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| Control group | Experimental group 1 | Experimental group 2 | p-value | |
| Coffee | 8.04 | 6.42 | 83.30 | <0.05 |
| Tea | 21.80 | 20.47 | 90.19 | <0.05 |
| Wine | 0.00 | 0.00 | 88.95 | <0.05 |
By the independent one-way ANOVA test at α＝0.05. p<0.05.
