An examination of the surface corrosion state of dental fillings and constructions

Abstract

Electrochemical measurements on amalgams and gold alloys in natural saliva and saline solutions have been performed. The results show strong inhibiting effects of some components in natural saliva on the surface corrosion behaviour of amalgams. For the gold alloys the cathodic reduction of oxygen was notably lower in natural saliva than in saline solutions. For galvanic combinations of gold and amalgams substantially lower currents than those calculated from thermodynamic data can be expected in natural saliva.