Research Article

Protein Adsorption to Titanium and Zirconia Using a Quartz Crystal Microbalance Method

Table 2

Contact angle and surface roughness of Ti and ZrO2 sensors before protein adsorption (mean ± SD, ).

SensorContact angle (°)Surface roughness (nm/4 µm2)

Ti4.9 ± 0.84.45 ± 0.55
ZrO27.3 ± 2.22.76 ± 0.08

Cells with different letters denote significant differences between Ti and ZrO2 ().