pISSN 2234-7518
eISSN 2005-372X
eISSN 2005-372X
Comparison of alveolar bone density (HU) in the mandible between T1 and T2 measurements
| Site | T1 | T2 | Δ (T2–T1) | Number | |||
|---|---|---|---|---|---|---|---|
| Retromolar pad | 5 mm | BC |
1,695.6 ± 337.5 | 1,640.5 ± 269.0 | −55.1 ± 94.0 | 0.093 | 10 |
| LC | 1,196.6 ± 361.7 | 1,145.7 ± 329.9 | −50.9 ± 38.4 | 0.002 |
10 | ||
| Can | 219.1 ± 130.9 | 150.8 ± 105.5 | −68.3 ± 91.1 | 0.042 |
10 | ||
| 10 mm | BC | 1,904.1 ± 93.8 | 1,824.8 ± 146.7 | −79.3 ± 129.2 | 0.084 | 10 | |
| LC | 1,759.1 ± 74.3 | 1,661.3 ± 62.0 | −97.8 ± 110.7 | 0.021 |
10 | ||
| Can | 245.9 ± 127.6 | 175.4 ± 103.4 | −70.5 ± 57.6 | 0.004 |
10 | ||
| 15 mm | BC | 1,919.8 ± 102.4 | 1,904.3 ± 105.7 | −15.5 ± 32.3 | 0.163 | 10 | |
| LC | 1,723.8 ± 102.6 | 1,700.0 ± 100.9 | −23.8 ± 84.3 | 0.395 | 10 | ||
| Can | 159.4 ± 99.3 | 102.3 ± 109.4 | −57.1 ± 62.4 | 0.018 |
10 | ||
| Molar | 5 mm | BC | 1,575.5 ± 95.9 | 1,541.6 ± 121.9 | −33.9 ± 70.9 | 0.165 | 10 |
| LC | 1,660.9 ± 123.1 | 1,577.8 ± 113.3 | −83.1 ± 65.9 | 0.003 |
10 | ||
| Can | 548.9 ± 172.4 | 449.7 ± 147.4 | −99.2 ± 72.2 | 0.002 |
10 | ||
| 10 mm | BC | 1,829.2 ± 103.6 | 1,749.2 ± 166.2 | −80.0 ± 86.2 | 0.017 |
10 | |
| LC | 1,800.1 ± 88.0 | 1,750.3 ± 127.3 | −49.8 ± 80.4 | 0.082 | 10 | ||
| Can | 188.7 ± 156.3 | 110.9 ± 149.0 | −77.8 ± 72.9 | 0.008 |
10 | ||
| 15 mm | BC | 1,886.8 ± 89.7 | 1,820.7 ± 102.9 | −66.1 ± 105.6 | 0.079 | 10 | |
| LC | 1,796.2 ± 121.6 | 1,757.6 ± 103.9 | −38.6 ± 61.5 | 0.078 | 10 | ||
| Can | 111.9 ± 157.0 | 71.4 ± 136.8 | −40.5 ±30.6 | 0.002 |
10 | ||
| Premolar | 5 mm | BC | 1,435.5 ± 148.6 | 1,369.2 ± 131.7 | −66.3 ± 53.7 | 0.004 |
10 |
| LC | 1,589.5 ± 112.8 | 1,505.9 ± 143.3 | −83.6 ± 88.7 | 0.015 |
10 | ||
| Can | 183.9 ± 142.8 | 132.4 ± 123.1 | −51.5 ± 47.4 | 0.007 |
10 | ||
| 10 mm | BC | 1,573.2 ± 175.6 | 1,544.2 ± 118.0 | −29.0 ± 167.6 | 0.598 | 10 | |
| LC | 1,782.5 ± 115.6 | 1,700.3 ± 107.0 | −82.2 ± 105.1 | 0.035 |
10 | ||
| Can |
211.9 ± 136.3 | 137.2 ± 135.0 | −74.7 ± 88.1 | 0.009 |
10 | ||
| 15 mm | BC | 1,852.0 ± 139.8 | 1,758.9 ± 133.2 | −83.1 ± 101.7 | 0.030 |
10 | |
| LC | 1,883.1 ± 106.4 | 1,804.8 ± 121.5 | −78.3 ± 99.3 | 0.034 |
10 | ||
| Can | 156.5 ± 185.2 | 89.8 ± 150.9 | −66.7 ± 50.3 | 0.002 |
10 | ||
| Incisal | 5 mm | BC | 764.6 ± 208.1 | 713.5 ± 214.9 | −51.1 ± 55.9 | 0.018 |
10 |
| LC | 1,051.4 ± 159.6 | 984.7 ± 204.4 | −66.7 ± 90.1 | 0.044 |
10 | ||
| Can | 510.0 ± 204.5 | 407.3 ± 219.2 | −102.7 ±73.5 | 0.002 |
10 | ||
| 10 mm | BC | 1,142.0 ± 358.7 | 1,129.6 ± 383.9 | −12.4 ± 51.6 | 0.467 | 10 | |
| LC |
1,464.7 ± 253.3 | 1,446.3 ± 264.7 | −18.4 ± 37.8 | 0.241 | 10 | ||
| Can | 662.3 ± 204.3 | 572.8 ± 212.7 | −89.6 ± 34.5 | < 0.001 |
9 | ||
| 15 mm | BC | 1,632.3 ± 259.6 | 1,596.3 ± 241.6 | −36.0 ± 69.0 | 0.133 | 10 | |
| LC | 1,881.5 ± 134.9 | 1,793.9 ± 197.1 | −87.6 ± 113.0 | 0.037 |
10 | ||
| Can | 517.2 ± 240.0 | 423.0 ± 172.6 | −94.2 ± 88.5 | 0.013 |
9 | ||
Values are presented as mean ± standard deviation.
HU, Hounsfield units; T1, before surgery; T2, after surgery; BC, buccal cortical bone; LC, lingual cortical bone; Can, cancellous bone.
*
The paired sample