Dentonics Inc 60-200 Temporary Crown & Bridge Material Shade A2Dentonics Inc 60 200 Master Dent Temporary Crown Bridge Material (Automix) is a self cure bisacrylic resin for temporary crowns, bridges, veneers, inlays and onlays. The two component material (base and catalyst), is presented in an automix cartridge for quick and easy handling and direct placement, preventing cross contamination. The automix system delivers a homogenous mix and minimizes air bubbles. Less exothermic reaction means low heat generation