Retailer of Dental Lab Supplies, Cobalt, Titanium CAD/CAM Discs. Ceramics, metals, temporaries, wax, milling machine tools, zirconia hand tools, sintering beads, oven accessories.RG wants to be your “one-stop-shop” for all of your CAD/CAM needs. Ceramics, metals, temporaries, wax, long-lasting milling machine tools, one-of-a-kind hand tools, sintering beads, and an amazing furnace cleaner.