Research Article

Galvanic Corrosion of Ti Dental Implants Coupled to CoCrMo Prosthetic Component

Table 3

Roughness parameters, Ra (medium roughness).

AlloysRa (μm)

CoCrMo abutments0.28 ± 0.01
TiG40.315 ± 0.09
Ti G4 acid-treated1.42 ± 0.43