| Question 9: What do you use in family for brushing your teeth? Parents answers | ||
| Options | No. | % |
| Tooth paste | 1988 | 97.0 |
| Bicarbonate | 75 | 2.0 |
| Burnt tortilla | 19 | 0.5 |
| Ash from the stove | 18 | 0.5 |
| total | 2100 | 100 |