Corrosion parameter values of pure and SLA titanium surfaces before and after immersion in P. gingivalis culture from potentiodynamic polarization testa.
| Groups | Corrosion parameters (n = 3) | ||
|---|---|---|---|
| E corr | I corr | Corrosion rate | |
| Ti | −0.32 (0.009) | 1.23 × 10−8 (2.12 × 10−9) | 1.45 × 10−4 (2.50 × 10−5) |
| Ti-Pg | −0.41 (0.003)* | 2.26 × 10−8 (3.68 × 10−9)* | 2.66 × 10−4 (4.33 × 10−5)* |
| SLA | −0.38 (0.075) | 1.11 × 10−8 (6.25 × 10−10) | 1.31 × 10−4 (7.34 × 10−6) |
| SLA-Pg | −0.35 (0.060) | 1.55 × 10−8 (1.54 × 10−9)* | 1.83 × 10−4 (1.82 × 10−5)* |
a
Values: mean (standard deviation); Ecorr (mV); Icorr (μA cm−2); corrosion rate (mm A−1). *Indicates significant differences (P < 0.05) in the Ecorr, Icorr and corrosion rate values between experimental (Ti-pg, SLA-pg) and control (Ti, SLA) groups.