Research Article

Surface Roughness of CoCr and ZrO2 Femoral Heads with Metal Transfer: A Retrieval and Wear Simulator Study

Table 3

Pre- and posttest surface parameters for induced-transfer specimens and controls used in wear tests.

MaterialPretestPosttest
( m) ( m) ( m) ( m)

CoCr1.213 .1562.208 .2763.500 .6381.010 .1801.630 .2502.800 .231
ZrO21.024 .2951.694 .5043.400 .5051.327 .9602.034 1.3812.767 .437