Oral health status | Intervention (N = 25) | Control (N = 16) |  |
Mean ± SD | Mean ± SD | p-valueb | |
Plaque index (PI) | |||
 Before | 1.66 ± 0.78 | 1.54 ± 0.67 | 0.83 |
 After | 0.94 ± 0.64 | 1.99 ± 0.52 | <  0.01 |
 Difference | −0.73 ± 0.43 | 0.46 ± 0.40 |  |
p-valuea | <  0.01 | 0.03 |  |
Gingival index (GI) | |||
 Before | 2.36 ± 0.76 | 2.78 ± 0.44 | 0.14 |
 After | 1.65 ± 0.83 | 2.94 ± 0.17 | <  0.01 |
 Difference | −0.70 ± 0.66 | 0.17 ± 0.35 |  |
p-valuea | <  0.01 | 0.50 |  |
Tongue coating index (TCI) | |||
 Before | 0.96 ± 1.10 | 0.44 ± 0.96 | 0.07 |
 After | 0.16 ± 0.47 | 1.13 ± 0.72 | <  0.01 |
 Difference | −0.80 ± 0.87 | 0.69 ± 0.95 |  |
p-valuea | <  0.01 | 0.02 |  |