ERA.Lithium Disilicate.Press
ERA.Lithium disilicate.CAD is a zirconia-reinforced lithium disilicate glass ceramic made from nano-quality raw materials, achieving a fine-grained microstructure with excellent processability and stable aesthetics. With its excellent mechanical strength, ideal tint and natural fluorescent opalescence, simple processing and minimally invasive capabilities, this product will become the ideal all-ceramic material for chairside aesthetic restorations.
Product Advantage
- Natural and vivid color, excellent aesthetic effect, excellent translucency through appropriate light scattering, vivid milky white with natural fluorescence.
- Moderate strength, strength ≥400MPa after complete crystallization, and low abrasion to jaw teeth.
- Suitable for veneer, inlay and crown restoration.
- Short processing time, suitable for chair-side dental restoration, and short waiting time for patients.
- Excellent bonding performance, low probability of patients falling off their teeth.
- Easy to polish, reduce the wear of grinding head. The chip incidence is lower and the edge stability is high. Proper hardness and bending strength (not crystallized) ensure the long life of milling needles.
Available Shades
| Colors | A1 | A2 | A3 | A3.5 | A4 | B1 | B2 | B3 | B4 | C1 | C2 | C3 | C4 | D2 | D3 | D4 | BL1 | BL2 | BL3 | BL4 | OM1 | OM2 | OM3 |
| HT(D13-10) | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ||||||||||
| LT(D13-10) | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| Colors | MO-0 | MO-1 | M0-2 | MO-3 | MO-4 |
| MO(D13-10) | ● | ● | ● |
Technical Data
| composition | SiO₂ 61%-71%, Li₂O 11%-17%, ZrO₂ 1%-5%, other oxides 6%-30% |
| Density(g/cm³) | 2.4-2.6 |
| Vickers hardness(MPa) | 5400±400 |
| Fracture toughness(Mpa·m¹⁄²) | 2.55 |
| Coefficient of ehermal expansion(10⁻⁶K⁻¹) | 9.8±0.5 |
| Crystallization Temp(℃) | 905-930 |
| Chemical solubility(µg/cm⁻²) | 30.2 |
| Radioactivity(Bq/g) | <0.019 |
| Cytotoxicity test | Cytotoxicity level 0 |
| Short-term systemic toxicity study (oral route) | No systemic toxicity |
| Sensitization test | Non-allergenic |
| Hemolysis test | Hemolysis rate < 5% |
| Ames test | Mutagenesis negative |
| Oral mucosal irritation test | No oral mucosal irritation |
| Subchronic systemic toxicity test | No subchronic systemic toxicity |
Pressure Casting Curve
| Transparency | Embedding circle | Starting temperature | Heating rate | Maximum temperature | Holding time | Vacuum start | vacuum end |
| HT | 100g | 700℃ | 60℃/min | 905℃ | 15min | 700℃ | 905℃ |
| LT | 100g | 700℃ | 60℃/min | 910℃ | 15min | 700℃ | 910℃ |
Gallery
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