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Paired t-test between the average pre-and post-treatment bone density as shown in the CBCT of the HFV group
| Variable | Pre-treatment T1 (HU) | Post-treatment T2 (HU) | P | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Max | Min | Mean | SD | Max | Min | ||
| Upper arch | 515.6 | 81.6 | 627.9 | 414.7 | 818.3 | 64.2 | 887.6 | 724 | 0.0001* |
| Lower arch | 563.1 | 101.9 | 811.6 | 401.8 | 664.2 | 91 | 785.2 | 558.4 | 0.008* |
*Significant level (P<0.05)
