DENTSPLY SIRONA Inc.
Lithium silicate glass ceramic

Abstract:

The invention relates to a lithium silicate glass ceramic, which contains at least lithium disilicate as a crystal phase, and lithium aluminum silicate as further crystal phase. The lithium silicate glass ceramic in its initial composition contains Al.sub.2O.sub.3 at 1.5 to 3.5 percent by weight, and K.sub.2O at 0.6 to 1.8 percent by weight.