Table 2.
Mean (SD) values for stain intensity and area after use of test (Toothpowder) and Control (toothpaste)
| Gingival and body sites combined | Mean stain Intensity (I) | p | Mean stain Area (A) | p | Mean stain Product (I × A) | p |
|---|---|---|---|---|---|---|
| Test Toothpowder | .29 (.08) | <0.01 | .38 (.05) | <0.01 | .11 (.03) | <0.01 |
| Control Toothpaste | 1.79(.10) | 1.91 (.07) | 3.42 (.17) | |||
| Gingival sites | ||||||
| Test Toothpowder | .29 (.13) | <0.01 | .42 (.08) | <0.01 | .12 (.06) | <0.01 |
| Control Toothpaste | 1.82 (.09)* | 1.97 (.07) | 3.58 (.15) | |||
| Body sites | ||||||
| Test Toothpowder | .28 (.13) | <0.01 | .35 (.09) | <0.01 | .09 (.05) | <0.01 |
| Control Toothpaste | 1.77 (.14) | 1.85 (.13) | 3.26 (.26) | |||
Mean difference is significant at p<0.01