The Keraring and Ferrara ring are mainly identical in design, shape and size. The technical specifications and differences between both types are shown in Table 1. Both, Ferrara and Keraring ...
Intacs 150 Hexagonal 0.25-0.45* (0.05) 6.77/8.1 Intacs-SK 150 Oval 0.40-0.45 6/7.4 Ferrara ring 160 Triangular 0.15-0.35 (0.025) 4.4/5.6 Keraring 90-210 Triangular 0.15-0.35 (0.05) 4.4/5.6 ...