Table 3.
Micro-CT results 2 weeks after implantation
| Average (SD) |
||||||||
|---|---|---|---|---|---|---|---|---|
| Group (n) | BV/TV | BS/BV | Tb.Pf | SMI | Tb.Th | Tb.N | Tb.Sp | DA |
| Group I (13) (ACS) | 10.3 (5.93) | 19.9 (5.58) | 15.81 (7.002) | 4.163 (1.022) | 0.275 (0.043) | 0.375 (0.219) | 0.570 (0.116) | 0.490 (0.078) |
| Group II (14) (BMP) | 16.4 (7.16) | 19.1 (4.52) | 9.723 (6.057) | 2.969 (1.045) | 0.255 (0.066) | 0.651 (0.291) | 0.543 (0.115) | 0.562 (0.086) |
| Group III (13) (BMP + EGF) | 26.7 (14.5) | 17.3 (3.69) | 3.248 (7.826) | 1.778 (1.113) | 0.253 (0.046) | 1.00 (0.522) | 0.486 (0.118) | 0.550 (0.060) |
| Group IV (14) (BMP + FGF) | 24.2 (24.9) | 17.5 (8.01) | 11.48 (9.251) | 3.378 (1.789) | 0.334 (0.156) | 0.616 (0.420) | 0.542 (0.125) | 0.590 (0.113) |
| Group V (13) (BMP + PDGF) | 22.8 (13.4) | 19.6 (7.00) | 6.868 (7.702) | 2.332 (0.884) | 0.246 (0.068) | 0.879 (0.443) | 0.479 (0.123) | 0.529 (0.069) |
| Group VI (13) (BMP + VEGF) | 20.4 (7.81) | 19.2 (2.80) | 8.258 (2.993) | 2.429 (0.731) | 0.228 (0.029) | 0.934 (0.351) | 0.445 (0.100) | 0.625 (0.078) |
Analysis of variance was performed and the Student–Newman–Keuls test was used to compare differences among mean values.
ACS, absorbable collagen sponge; BMP, E.BMP-2 3 µg; EGF, EGF 5 µg; FGF, FGF 5 µg; PDGF, PDGF 5 µg; VEGF, VEGF 5 µg.
Percentage volume (BV/TV): group III > group I; p < 0.05.
Trabecular pattern factor (Tb.Pf): group II > groups III, V, VI; group IV > group III; p < 0.05.
Structure model index (SMI): group III < groups I, II, IV; group II > groups I, III, V, VI; p < 0.05.
Trabecular thickness (Tb.Th): group IV > groups I, V; p < 0.05.
Trabecular number (Tb.N): groups III, V, VI > group I; p < 0.05.
Degree of anisotropy (DA): group IV, VI > group II; group VI > group V; p < 0.05.