Clinical parameter | FOA | Invisalign® | p-value |
---|---|---|---|
API (%) - before treatment | 19.6 ± 7.0 | 16.3 ± 9.6 | 0.068 |
API (%) - during treatment | 37.7 ± 21.9 | 27.8 ± 24.6 | 0.108 |
Relative difference | 18.1 ± 17.2 | 11.5 ± 17.2 | 0.170* |
SBI (%) - before treatment | 7.2 ± 4.4 | 6.6 ± 3.2 | 0.503 |
SBI (%) - during treatment | 15.2 ± 7.6 | 7.6 ± 4.1 | ≤0.001 |
Relative difference | 8.0 ± 6.6 | 1.0 ± 1.0 | ≤0.001* |
GI - before treatment | 0.29 ± 0.24 | 0.27 ± 0.25 | 0.910 |
GI - during treatment | 0.54 ± 0.50 | 0.35 ± 0.34 | 0.072 |
Relative difference | 0.25 ± 0.30 | 0.07 ± 0.12 | 0.001* |