Corrosion Response of Ti6Al4V and Ti15Mo Dental Implant Alloys in the Presence of Listerine Oral Rinse

Table 3

EIS parameters for Ti15Mo alloy in normal saline solution in the absence and presence of 25% and 50% Listerine at 1 h and 24 h of immersion.

System	𝑅𝑠 (Ω cm)	𝑅ct (Ω cm^2)	𝑊(𝑅) (Ω cm^2)	𝑊(𝑃)	𝑊(𝑇) (s)	𝑅𝑝 (Ω cm^2)	𝑄   (Scm^−2(srad^−1)^𝑛)	𝑛
Normal saline (1 h)	7.67	1.74×10^3	4.73×10^4	0.634	54.07	4.90×10^4	5.52×10^−5	0.898
Normal saline + 25% Lis. (1 h)	20.63	1.87×10^3	3.74×10^4	0.619	59.20	3.92×10^4	1.0×10^−4	0.827
Normal saline + 25% Lis. (24 h)	29.41	7.78×10^4	—	—	—	7.78×10^4	6.70×10^−5	0.895
Normal saline (24 h)	9.23	1.37×10^3	4.02×10^4	0.632	53.32	4.16×10^4	4.97×10^−5	0.901
Normal saline + 50% Lis. (1 h)	24.74	1.45×10^3	7.15×10^4	0.681	182.4	7.30×10^4	1.04×10^−4	0.824
Normal saline + 50% Lis. (24 h)	30.12	1.11×10^5	—	—	—	1.11×10^5	6.49×10^−5	0.888

𝑅_𝑝 is the polarization resistance of Ti15Mo alloy (𝑅_ct+𝑊(𝑅)).