Research Article
Characterisation and Properties of Lithium Disilicate Glass Ceramics in the SiO2-Li2O-K2O-Al2O3 System for Dental Applications
Table 1
Glass compositions (% mol).
| | Oxides | LD1 | LD2 | LD3 | LD4 |
| | SiO2 | 60.0 | 59.0 | 63.0 | 62.0 | | Li2O | 32.0 | 31.0 | 29.0 | 28.0 | | K2O | 1.0 | 1.0 | 1.0 | 1.0 | | Al2O3 | 2.0 | 2.0 | 2.0 | 2.0 | | P2O5 | 2.0 | 2.0 | 2.0 | 2.0 | | CaF2 | 3.0 | 3.0 | 3.0 | 3.0 | | MgO | — | 2.0 | — | 2.0 |
| | Total | 100.0 | 100.0 | 100.0 | 100.0 |
| | SiO2 : Li2O | 1.88 | 1.90 | 2.17 | 2.21 |
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