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Result of the chi-square test for comparison between experimental and control groups with regard to the severity of existing anteroposterior molar relationship.
| Severity | Experimental group(n = 20) | Control group(n = 25) |
|---|---|---|
| ¼ Class II | 1 | 6 |
| ½ Class II | 7 | 9 |
| ¾ Class II | 3 | 6 |
| Full Class II | 9 | 4 |
| χ2= 6.2663; df = 3; P = 0.0993 | ||
