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Descriptive statistics of ARI scores in three groups
| Category | N | ARI score | ||
|---|---|---|---|---|
|
| ||||
| Mean | SD | Std. error | ||
| Group A (Plier) | 30 | 2.433 | 0.6789 | 0.1240 |
| Group B (Ultrasonic scaler) | 30 | 1.600 | 0.6747 | 0.1232 |
| Group C (Laser) | 30 | 2.467 | 0.6288 | 0.1148 |
| Total | 90 | 2.167 | 0.7680 | 0.0810 |
