3M Lava Ultimate Restorative is the world's first resin nano ceramic restorative with the benefits of both glass ceramic and resin materials. Lava Ultimate Restorative gives chairside CAD/CAM dentists better edge quality and smooth margins for a brilliant restoration. It's an advance that improves productivity and creates a better restorative experience for patients. 3M science makes the difference 3M scientists and engineers combined nanotechnology with a proprietary curing treatment to create a unique material with the benefits of both glass ceramics and resins: High flexural strength (2 MPa) Excellent wear resistance, even to opposing enamel Brilliant and long lasting polish. Size 12, shade Bleach Low translucency.