| Question 6: How often do you change your toothbrush? Parents answers | ||
| Options | No. | % |
| Every three months | 1149 | 55 |
| Once a year | 275 | 13 |
| Every six months | 405 | 19 |
| When bristles are damaged | 253 | 12 |
| Never changed it | 18 | 1 |
| Total | 2100 | 100 |