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 |