COMPOSITION D'EMAIL POUR PROTHESE DENTAIRE, PROTHESES ET PROCEDE POUR LES REALISER

摘要

The prosthesis is made of an alloy based on nickel and chromium, such that the sum of the concentrations of nickel and chromium is higher than or equal to 80% and that the ratio of the concentration of nickel to that of chromium is higher than or equal to 2.5, and the composition of the vitreous enamel is: SiO2: 44 to 54% B2O3: 16 to 30% Na2O: 13 to 20% K2O: 0 to 4% Li2O: 0 to 2.5% CaO: 0 to 3% F2Ca: 0 to 5% Al2O3: 3 to 9% ZrO2: 0 to 6% NiO: 0 to 2% CoO: 0 to 1.5% MnO2: 0 to 1.5% Use for dental prostheses. k