Patent ID: 6342458
Filing Date: 2002-01-29
Classification: A61K,C03C

Abstract:
A dental product comprising a lithium disilicate glass ceramic comprising the following components:ComponentWt. %SiO257.0 to 80.0â€‚â€‰Al2O30 to 5.0La2O30.1 to 6.0â€‚â€‰MgO0 to 5.0ZnO0 to 8.0K2Oâ€‚0 to 13.5Li2O11.0 to 19.0â€‚â€‰P2O5â€‚0 to 11.0Color components0 to 8.0Additional components0 to 6.0whereinAl2O3 + La2O3 equals 0.1 to 7.0 wt. % andMgO + ZnO equals 0.1 to 9.0 wt. %.