Teeth Group (max score = 35) | 4th grade (n = 133) Median score (25th-75th percentile) | 5th grade (n = 130) Median score (25th-75th percentile) | p value* |
---|---|---|---|
Anterior | 29.0 (25.0–32.0) | 25.0 (21.0–28.0) | < 0.001 |
Premolar | 28.0 (25.0–32.0) | 24.0 (21.00-27.25) | < 0.001 |
Molar | 25.0 (21.25-28.0) | 21.5 (18.0–25.0) | < 0.001 |
p value** | < 0.001 | < 0.001 |  |