Table 2.
Quantitative bone densities of normal bone, new bone in-growth density (AOI density), and density of bone adjacent to the defect area (BAD density) in Houns Field units (HU) obtained by CBCT and expressed as mean ± SD at the 30th, 60th and 90th days
| Groups | 30th | 60th | 90th | P value |
|---|---|---|---|---|
| Bone densities (Houns Field units) | ||||
| Normal density | ||||
| Control | (1335.75 ± 67.20)b* | (1582.03 ± 79.97)a* | (1643.75 ± 20.45)a* | 0.000 |
| PRF | (1245.83 ± 125.49)b* | (1460.43 ± 177.28)a* | (1554.73 ± 250.56)a* | 0.012 |
| PRF/ZnONPs | (1326.04 ± 134.37)b* | (1443.56 ± 157.81)ab* | (1569.52 ± 213.89)a* | 0.004 |
| P value | 0.241 | 0.127 | 0.613 | |
| Total Mean | (1302.54 ± 115.58)c | (1508.20 ± 144.52)b | (1612.69 ± 172.18)a | 0.000 |
| AOI density | ||||
| Normal density | (1302.54 ± 115.58)c*** | (1508.20 ± 144.52)b** | (1612.69 ± 172.18)a** | 0.000 |
| Control | (1042.32 ± 181.63)a** | (1197.86 ± 218.81)a* | (1284.53 ± 188.30)a* | 0.186 |
| PRF | (706.45 ± 136.31)b* | (1037.48 ± 147.88)a* | (1212.52 ± 79.18)a* | 0.000 |
| PRF/ZnONPs | (1079.10 ± 48.41)b** | (1498.95 ± 77.19)a** | (1534.34 ± 111.98)a** | 0.000 |
| P value | 0.000 | 0.000 | 0.009 | |
| BAD density | ||||
| Normal density | (1302.54 ± 115.58)c** | (1508.20 ± 144.52)b** | (1612.69 ± 172.18)a*** | 0.000 |
| Control | (1295.00 ± 15.56)a** | (919.70 ± 243.53)a* | (873.86 ± 150.03)a* | 0.104 |
| PRF | (1049.20 ± 59.48)b* | (1050.00 ± 49.49)b* | (1201.00 ± 15.56)a** | 0.027 |
| PRF/ZnONPs | (1070.80 ± 00.00)b* | (1297.50 ± 3.53)a** | (1394.00 ± 66.47)a** | 0.008 |
| P value | 0.000 | 0.000 | 0.000 | |
a,b,cMedians and ranges with different small superscripts letters in the same row are significantly different at P < 0.05
*,**,***Medians and ranges with different asterisks superscripts in the same column are significantly different at P < 0.05