| Question 8: How often do you brush? Students answers | ||
| Options | No. | % |
| In the morning and evening | 214 | 52.0 |
| On the night | 18 | 4.0 |
| Three times a day | 176 | 43.0 |
| Occasionally | 5 | 1.0 |
| Total | 413 | 100 |