Table 3.
The mean and standard deviation of Streptococcus mutans adhesion in the effects of different concentrations of ethanolic, methanolic, and hydroalcoholic extracts of olive leaf (colony number)
| Concentrations (%) | Ethanolic extracts |
Methanolic extracts |
Hydroalcoholic extracts |
|||
|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | |
| Negative control | 1.73 | 0.10 | 1.73 | 0.10 | 1.73 | 0.10 |
| 3.125 | 1.17 | 0.06 | 1.51 | 0.12 | 1.35 | 0.06 |
| 6.25 | 0.79 | 0.07 | 1.44 | 0.16 | 1.10 | 0.06 |
| 12.5 | 0.75 | 0.01 | 1.36 | 0.01 | 0.91 | 0.03 |
| 25 | 0.61 | 0.07 | 1.14 | 0.10 | 0.87 | 0.04 |
| 50 | 0.52 | 0.04 | 0.94 | 0.10 | 0.79 | 0.02 |
| Adhesion mean | 0.93 | 0.43 | 1.36 | 0.29 | 1.12 | 0.34 |
| Statistically significant | <0.001 | <0.001 | <0.001 | |||
SD: Standard deviation