Changes in tooth brush facility utilization
| Group A | Group B | Group C | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| n | yes | % | n | yes | % | n | yes | % | |||
| 1stgrade | 17 | 16 | 94.1 | 28 | 0 | 0 | 38 | 4 | 10.5 | ||
| 2ndgrade | 17 | 16 | 94.1 | 28 | 22 | 78.6 | 38 | 30 | 78.9 | ||
| 3rdgrade | 17 | 17 | 100 | 28 | 14 | 50 | 38 | 10 | 26.3 | ||
| 4thgrade | 17 | 17 | 100 | 28 | 0 | 0 | 38 | 2 | 5.3 |
Group A: experimental group, Group B and Group C: comparative groups.
