Table 3: Comparison of pretreatment values between subjects treated using clear aligners and subjects treated using conventional fixed appliances (brackets).
| Invisalign | Brackets | ||||
|---|---|---|---|---|---|
| Variables | Mean | SD | Mean | SD | Prob. |
| OB | 2.33 | 1.84 | 2.71 | 1.90 | .427 |
| SN_MP | 30.73 | 6.64 | 30.71 | 6.86 | .990 |
| FMA | 22.65 | 5.72 | 23.42 | 5.70 | .605 |
| L6H | 33.25 | 3.50 | 31.23 | 2.36 | .017 |
| U6H | 23.32 | 2.32 | 23.15 | 2.22 | .779 |
| PP_MP | 23.21 | 6.24 | 23.16 | 5.32 | .977 |
| LFH | 65.40 | 6.06 | 63.15 | 5.48 | .147 |
| TFH | 116.98 | 8.01 | 113.40 | 6.36 | .073 |
Bold font indicates significant difference.