| Groups and gender | Salivary pH | ||
| Gπ I (20 - 30 ys) | M# | 7.15 ± 0.34 | |
| F## | 6.72 ± 0.44 | ||
| G II (31 - 40 ys) | M | 7.35 ± 0.38 | |
| F | 6.77 ± 0.36 | ||
| G III (41 - 50 ys) | M | 7.83 ± 0.12 | |
| F | 6.77 ± 0.32 | ||
| ANOVA | M | p-value | 0.035* |
| F** | 9.257 | ||
| F | p-value | 0.77 | |
| F | 1.934 | ||