Table 1.
Pretreatment Discrepancy Index scores for the Invisalign and Brace group
| Measurement | Invisalign | Braces | P value | ||
|---|---|---|---|---|---|
|
| |||||
| Mean | SD | Mean | SD | ||
| Overjet | 3.41 | 1.45 | 3.43 | 2.13 | 0.56 |
| Overbite | 1.53 | 1.08 | 1.62 | 1.32 | 0.87 |
| Anterior open bite | 0.66 | 1.11 | 0.64 | 1.21 | 0.90 |
| Lateral open bite | 0.32 | 1.47 | 0.46 | 1.85 | 0.78 |
| Crowding | 5.24 | 2.33 | 5.05 | 2.21 | 0.86 |
| Occlusion | 3.65 | 1.87 | 3.79 | 1.34 | 0.77 |
| Lingual posterior crossbite | 1.41 | 1.01 | 1.36 | 1.20 | 0.78 |
| Buccal posterior crossbite | 0.52 | 1.13 | 0.66 | 1.12 | 0.92 |
| Cephalometrics | 9.35 | 3.23 | 9.80 | 4.12 | 0.23 |
| Other | 0.45 | 1.10 | 0.38 | 1.02 | 0.35 |
| DI score | 26.54 | 7.58 | 28.19 | 8.46 | 0.92 |