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Orthodontic treatment satisfaction of the two groups
| Very satisfied | Generally satisfied | Dissatisfied | Overall satisfaction | |
|---|---|---|---|---|
| Control group (n=42) | 21 (50.0) | 12 (28.6) | 9 (21.4) | 33 (78.6) |
| Observation group (n=55) | 42 (76.4) | 10 (18.1) | 3 (5.5) | 52 (94.5) |
| χ2/t | 7.2711 | 1.4661 | 5.6051 | 5.6051 |
| P | 0.0070 | 0.2260 | 0.0179 | 0.0179 |
