| Minimum | Maximum | Mean | Std. Deviation |
Age | 13 | 32 | 21.98 | 3.6 |
Plaque index | 1 | 3 | 1.67 | 0.60 |
Gingival index | 1 | 3 | 1.60 | 0.55 |
Gingival enlargement index | 1 | 3 | 1.65 | 0.56 |