Table 4.
Dimensional and surface metrology of main channels.
| Feature | Feature | Al | ABS Flex White | HTM 140 | E-Dent 400 | ABS Flex Black | Accura SL 5530 | Clear V04 | Flexible V02 |
|---|---|---|---|---|---|---|---|---|---|
| WA (mm) | Channel width A | 5.038 | 4.484 | 4.758 | 5.001 | 4.819 | 5.035 | 9.056 | 9.098 |
| WB (mm) | Channel width B | 7.044 | 6.634 | 6.642 | 6.884 | 6.714 | 7.072 | 7.029 | 7.15 |
| W C | Channel width C | 9.035 | 8.574 | 8.552 | 8.796 | 8.642 | 9.104 | 5.07 | 5.056 |
| DABC (mm) | Channel depth | 1.996 ± 0.004 | 1.966 ± 0.015 | 2.004 ± 0.011 | 1.871 ± 0.008 | 1.954 ± 0.004 | 2.015 ± 0.005 | 2.009 ± 0.013 | 1.970 ± 0.010 |
| Ra (µm) | Channel Roughness | 0.225 ± 0.066 | 0.653 ± 0.032 | 0.460 ± 0.056 | 1.095 ± 0.288 | 0.664 ± 0.120 | 0.354 ± 0.10 | 0.839 ± 0.043 | 4.871 ± 0.214 |