Table 3.
Mean ± standard deviation of the resonance frequency values (kHz) for mini-implants inserted with different depths in artificial bone with various cortical bone thicknesses.
| Group | n | 2 mm | 4 mm | 6 mm |
|---|---|---|---|---|
| 5 (3 mm) | 5 | 1.150 ± 0.020 | 4.850 ± 0.111 | 7.373 ± 0.049 |
| 2 (2 mm) | 5 | 1.190 ± 0.138 | 4.543 ± 0.180 | 7.197 ± 0.175 |
| 4 (1 mm) | 5 | 1.123 ± 0.019 | 4.423 ± 0.109 | 7.047 ± 0.061 |
| P-valuea | 0.2622 | 0.0122 | 0.0116 | |
| Significant differenceb | Group 4 < Group 5 | Group 4 < Group 5 | ||
a
Kruskal-Wallis test.
b
Post hoc pairwise comparisons were conducted by Wilcoxon rank-sum test.