Table 2 Vertical bone resorption at each period (mm) and comparison between groups
From: Comparison of vertical bone resorption following various types of autologous block bone grafts
The mean amount of augmentation (mean ± SD, mm) | The mean amount of vertical bone resorption after grafting (mean ± SD, mm) | |||||
|---|---|---|---|---|---|---|
3 Mo (T0-T1) | 6 Mo (T0-T2) | 12 Mo (T0-T3) | 36 Mo (T0-T4) | 60 Mo (T0-T5) | ||
RB | 4.17 ± 1.31 | 0.33 ± 0.15 | 0.59 ± 0.25 | 0.80 ± 0.31 | 1.20 ± 0.47 | 1.40 ± 0.17 |
CB | 3.44 ± 1.08 | 0.36 ± 0.24 | 0.51 ± 0.34 | 0.89 ± 0.53 | 1.16 ± 0.23 | 1.71 ± 0.35 |
IB | 8.36 ± 1.51 | 1.11 ± 0.40 | 1.77 ± 0.74 | 2.80 ± 0.95 | 3.74 ± 0.88 | 4.70 ± 0.90 |
Comparison between groups at each time point (p value) | ||||||
RB-CB | 0.748 | 0.437 | 0.430 | 0.841 | 0.400 | |
RB-IB | < 0.001 | < 0.001 | < 0.001 | < 0.001 | 0.002 | |
CB-IB | < 0.001 | < 0.001 | < 0.001 | < 0.001 | 0.002 | |
Comparison between groups over the entire follow-up period (p value) | ||||||
RB-CB | 0.011 | |||||
RB-IB | < 0.001 | |||||
CB-IB | < 0.001 | |||||