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Density and CT number for 3D-printed test objects made with various commercial resins
| Resin Type | Density [g/cm3] | Average measured HU (SD) |
|---|---|---|
| White | 1.16 | 122 (6.8) |
| Clear | 1.17 | 116 (6.7) |
| Flexible | 1.12 | 79 (6.6) |
| Dental Model | 1.17 | 127 (7.0) |
| Rigid | 1.33 | 339 (6.6) |
HU, Hounsfield unit; SD, standard deviation.
HUs were measured using a clinical CT scanner (Somatom Definition Edge, Siemens) with 0.75 mm slice thickness, 120 kV tube potential, 350 mAs, reconstructed with B40s medium kernel.
