In Vitro Corrosion Behavior of Lingual Orthodontic Archwires

Table 2

Corrosion potentials and current densities.

	Eb (mV)		OPC (mV)		E pit-E corr (mV)	𝑖corr (mA/cm^2)
Archwire	Mean	SD	Mean	SD
Respond	−72.5	3.54	−456.78	151.01	−600	3.16 × 10^−5
D-Rect	60	26.87	−17.47	153.31	−650	3.16 × 10^−5
SS 0.016 × 0.022	591.5	115.26	−500.91	109.82	−610	3.16 × 10^−5
SS 0.016	162.5	60.1	−365	45.43	−845	3.16 × 10^−4
NiTi	1068.5	167.58	14.69	359.65	1000	1 × 10^−2
CuNiTi	1163.5	33.23	−175.75	103.24	1000	1 × 10^−2
TMA			−226.66	85.07	1000	1 × 10^−2