Table 5 Comparison of inter-root distance between estimated and actual tooth models in deep learning method (unit: mm)
Estimated tooth model | Actual tooth model | P value* | |||||||
|---|---|---|---|---|---|---|---|---|---|
Mean | SD | Max | Min | Mean | SD | Max | Min | ||
Maxilla, Rt | |||||||||
Inter-root distances between U6 and U5 | 8.6 | 1.1 | 9.8 | 7.0 | 8.6 | 0.7 | 9.4 | 7.8 | 0.935 |
Inter-root distances between U5 and U3 | 6.4 | 1.0 | 7.6 | 5.2 | 6.5 | 1.0 | 7.9 | 5.4 | 0.476 |
Inter-root distances between U3 and U2 | 10.1 | 1.4 | 12.0 | 8.6 | 10.1 | 0.8 | 11.4 | 9.5 | 0.930 |
Inter-root distances between U2 and U1 | 6.8 | 1.8 | 9.1 | 5.0 | 6.8 | 1.3 | 8.3 | 5.6 | 0.869 |
Maxilla, Lt | |||||||||
Inter-root distances between U6 and U5 | 8.1 | 0.5 | 8.7 | 7.5 | 9.1 | 0.7 | 10.1 | 8.0 | 0.065 |
Inter-root distances between U5 and U3 | 5.7 | 1.4 | 7.6 | 4.2 | 5.6 | 1.4 | 6.9 | 3.4 | 0.618 |
Inter-root distances between U3 and U2 | 9.6 | 2.2 | 12.5 | 6.5 | 9.4 | 1.8 | 11.1 | 6.7 | 0.670 |
Inter-root distances between U2 and U1 | 6.3 | 1.4 | 8.1 | 4.5 | 6.2 | 1.2 | 7.7 | 4.9 | 0.780 |
Mandible, Rt | |||||||||
Inter-root distances between L6 and L5 | 7.0 | 1.2 | 8.3 | 5.7 | 7.0 | 0.7 | 7.9 | 6.1 | 0.882 |
Inter-root distances between L5 and L3 | 6.2 | 0.5 | 6.7 | 5.4 | 6.7 | 1.3 | 8.9 | 5.6 | 0.353 |
Inter-root distances between L3 and L2 | 7.2 | 1.1 | 8.6 | 6.0 | 6.8 | 0.8 | 8.1 | 6.1 | 0.159 |
Inter-root distances between L2 and L1 | 5.1 | 1.1 | 6.3 | 3.4 | 4.4 | 0.4 | 5.0 | 3.9 | 0.227 |
Mandible, Lt | |||||||||
Inter-root distances between L6 and L5 | 7.8 | 1.3 | 9.1 | 5.7 | 7.4 | 1.4 | 9.3 | 5.3 | 0.128 |
Inter-root distances between L5 and L3 | 6.0 | 1.2 | 7.6 | 4.8 | 7.0 | 1.7 | 9.2 | 5.3 | 0.042* |
Inter-root distances between L3 and L2 | 7.9 | 1.0 | 9.1 | 6.9 | 7.1 | 1.1 | 8.7 | 5.8 | 0.149 |
Inter-root distances between L2 and L1 | 4.6 | 0.3 | 4.9 | 4.1 | 4.8 | 0.5 | 5.3 | 4.0 | 0.714 |