Designed for use in Class I and Class II posterior restorations, as well as Class V restorations, GrandioSO x-tra from VOCO is an esthetic nano-hybrid bulk restorative material.
The material is capable of being applied in 4 mm layers, and it exhibits a higher level of hardness, both on the surface and at its full depth, than other bulk fill composite materials, according to details on the company website. The material features an 86 percent by weight filler content with a low polymerization shrinkage rate of just 1.4 percent by volume.
The curing time is 10 to 20 seconds, and the material is highly radiopaque. It is available in shades A1, A2, A3 and universal, and offers high level of shade stability. The composite is easy to handle and is simple to polish to a high luster.