Table 3.
OGS scores reflecting mean points lost for deviation from ideal
| Measurement | Invisalign | Braces | P value | ||
|---|---|---|---|---|---|
|
| |||||
| Mean | SD | Mean | SD | ||
| Alignment | -9.91 | 3.56 | -10.50 | 4.25 | 0.14 |
| Marginal ridges | -2.75 | 2.13 | -3.79 | 1.89 | 0.21 |
| Buccolingual inclination | -3.55 | 1.36 | -5.85 | 2.68 | 0.002*** |
| Occlusal contacts | -1.88 | 0.13 | -3.90 | 1.12 | 0.000*** |
| Occlusal relations | -1.96 | 1.10 | -2.93 | 1.12 | 0.42 |
| Overjet | -4.77 | 2.13 | -5.70 | 1.20 | 0.38 |
| Interproximal contacts | -0.87 | 1.46 | -1.00 | 0.68 | 0.87 |
| Root angulation | -4.79 | 1.45 | -4.68 | 2.32 | 0.12 |
| OGS score | -30.48 | 9.23 | -38.57 | 8.87 | 0.25 |
**P<0.05;
***
P<0.001;
NS indicates not significant.