Table 2 The trabecular bone structural parameters measured by using dental CBCT and micro-CT
Group | 1 | 2 | 3 | 4 | |
|---|---|---|---|---|---|
Density | 0.12 g/cm3 | 0.16 g/cm3 | 0.20 g/cm3 | 0.32 g/cm3 | |
Parameter | Mean | Mean | Mean | Mean | |
(unit) | ±SD (CV%) | ±SD (CV%) | ±SD (CV%) | ±SD (CV%) | |
dental CBCT | BV/TV | 0.3813 | 0.4171 | 0.4495 | 0.5041 |
(%) | ±0.0365 (9.58) | ±0.0298 (7.15) | ±0.0344 (7.65) | ±0.0346 (6.86) | |
BS/BV | 3.8478 | 4.3609 | 4.5422 | 5.4714 | |
(mm-1) | ±0.1903 (4.95) | ±0.2119 (4.86) | ±0.2842 (6.26) | ±0.3903 (7.13) | |
Tb.Th. | 1.0155 | 0.8774 | 0.8249 | 0.6434 | |
(mm) | ±0.0514 (5.06) | ±0.0390 (4.44) | ±0.0375 (4.55) | ±0.0313 (4.86) | |
Tb.Sp. | 1.8209 | 1.3698 | 1.1385 | 0.7184 | |
(mm) | ±0.0947 (5.20) | ±0.0356 (2.60) | ±0.0312 (2.74) | ±0.0288 (4.01) | |
micro-CT | BV/TV | 0.1603 | 0.1949 | 0.2589 | 0.3590 |
(%) | ±0.0151 (9.42) | ±0.0065 (3.34) | ±0.0122 (4.72) | ±0.0056 (1.56) | |
BS/BV | 9.4327 | 10.4456 | 11.6841 | 11.4896 | |
(mm-1) | ±0.4077 (4.32) | ±0.2628 (2.52) | ±0.3627 (3.10) | ±0.1631 (1.42) | |
Tb.Th. | 0.4169 | 0.3734 | 0.3280 | 0.3123 | |
(mm) | ±0.0160 (3.83) | ±0.0117 (3.14) | ±0.0078 (2.37) | ±0.0037 (1.18) | |
Tb.Sp. | 2.2985 | 1.7038 | 1.0578 | 0.7064 | |
(mm) | ±0.2143 (9.32) | ±0.0920 (5.40) | ±0.0392 (3.71) | ±0.0532 (7.53) | |