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Roughness values Ra and Rz after aging.
| Ra (µm) | Rz (µm) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Material * | n | Mean | Max. | Min. | SD | Mean | Max. | Min. | SD |
| HTML (3Y-TZP) | 8 | 0.230 | 0.309 | 0.116 | 0.064 | 2.016 | 3.003 | 0.850 | 0.667 |
| STML (4Y-PSZ) | 8 | 0.259 | 0.330 | 0.199 | 0.053 | 2.099 | 3.358 | 1.447 | 0.604 |
| UTML (5Y-PSZ) | 8 | 0.274 | 0.334 | 0.200 | 0.046 | 1.946 | 2.351 | 1.357 | 0.334 |
| YML (3–4Y-PSZ) | 8 | 0.222 | 0.270 | 0.135 | 0.046 | 2.010 | 3.258 | 1.119 | 0.652 |
* TZP: tetragonal zirconia polycrystal, PSZ: partly stabilized zirconia.
