From: Toothbrush deterioration and parents’ suggestions to improve the design of toothbrushes used by children with special care needs
No. of toothbrushes used in 3 months
No. of children (%)
1
252 (91.0)
2
16 (5.8)
3
3 (1.1)
4
5
2 (0.7)
6
1 (0.4)