Table 4.
Surface roughness of 3D coated, uncoated substrate and ultra-high molecular weight polyethylene (UHMWPE) discs used for reciprocal wear tests for 32 mm and 36 mm (average ± standard deviation).
| Samples | Coated (3D) Implants | UHMWPE Discs | ||
|---|---|---|---|---|
| 32 mm | 36 mm | 32 mm | 36 mm | |
| Ra (nm) | Ra (µm) | |||
| CoCr | 11.7 ± 1.6 | 9.6 ± 1.8 | 1.1 ± 0.2 | 1.6 ± 0.4 |
| 3D-3f-H0-P3.4 | 39.9 ± 3.7 | 31.8 ± 1.8 | 0.8 ± 0.2 | 1.1 ± 0.5 |
| 3D-3f-H0-P1.7 | 43.1 ± 4.9 | 40.0 ± 5.5 | 0.7 ± 0.0 | 1.5 ± 0.3 |
| 3D-3f-H3-P3.4-C | 29.5 ± 3.7 | 29.5 ± 3.5 | 1.1 ± 0.5 | 1.9 ± 0.2 |