Table 8.
Summary of the in-vitro wear studies
| Researcher | Test subjects | Results | Testing technique |
|---|---|---|---|
| Gaudin [64] | Standard bearings with UHMWPE vs. DM bearings with UHMWPE | Wear volume | In vitro test (Multiple Hip Simulator Test) |
| DM liner: 97.34 mm3 at 5 million cycles | |||
| Conventional liner: 99.57 mm3 at 5 million cycles | |||
| Saikko [65] | DM bearings (Stafit) vs. Conventional bearings (Allofit Alpha) | Shell position at the abduction angle of 45° | In vitro test (Multiple Hip Simulator Test) |
| DM: 21.49±3.21 mg/million cycles | |||
| Conventional: 19.63±1.59 mg/million cycles | |||
| Shell position at the abduction angle of 60° | |||
| DM: 17.81±4.64 mg/million cycles | |||
| Conventional: 20.79±1.29 mg/million cycles |