Research Article
Characterisation and Properties of Lithium Disilicate Glass Ceramics in the SiO2-Li2O-K2O-Al2O3 System for Dental Applications
Figure 4
X-ray diffraction patterns of (a) LD1, (b) LD2, (c) LD3, and (d) LD4 after heat treatment at 700–850°C for 2 hrs.