3M™ ESPE™ Lava™ is touted as one of the most esthetic and clinically proven dental zirconia restorations available. The Lava dental zirconia understructure is made utilizing CAD/CAM technology, a process during which the pinned and sectioned model is scanned with a 3-D optical scanner, the understructure designed on the computer screen, and then the zirconia crown or bridge milled using a pre-sintered dental zirconia block. This milled dental zirconia block is then colored using one of eight shades matched to the VITA® Classical Shade Guide. The milled Lava zirconia frame is sintered for 10 hours to fully gain its high strength and fracture resistance. Finally, a proprietary, pre-blended ceramic is pressed over the zirconium oxide understructure.