Monolithic Zirconia Restorations Material
Size:
● Open system 98*10mm/ 12mm/ 14mm/ 16mm/ 18mm/ 20mm/ 22mm/ 25mm/ 30mm
● Zirkonzahn system 95*10mm/ 12mm/ 14mm/ 16mm/ 18mm/ 20mm/ 22mm/ 25mm/ 30mm
● Amann Girrbach system AG71*10mm/ 12mm/ 14mm/ 16mm/ 18mm/ 20mm/ 22mm/ 25mm/30mm
Description
Monolithic zirconia restorations material
Vsmile ST monolithic (Solid ) Zirconia is a full contoured zirconia restoration with no porcelain overlay. Virtually unbreakable, it is an ideal restoration for bruxers and grinders.
Designed and milled using CAD/CAM technology, Vsmile ST zirconia are sintered for 7.5 hours at 1,530°C. The final crown or bridge emerges "nearly bulletproof" and is glazed to a smooth surface.
Benefits for Your Patient
· Chip-resistant, as it is made of full zirconia with no porcelain overlay
· Glazed to a smooth surface to reduce plaque accumulation
Indications
Vsmile ST Zirconia block is indicated for posterior crowns, bridges, inlays, and Onlays.ST block is an ideal solution for bruxers and grinders when PFM metal occlusal or full-cast restorations are not desired. it is also ideally suited for posterior molar crowns when the patient lacks the preparation space for a PFM or has broken a PFM in the past due to bruxing.
| Properties | ST |
| Density before sintering(g.cm-3) | 3.15±0.05 |
| Density after sintering(g.cm-3) | 6.09±0.01 |
| CTE(25-500℃)(K-1) | (10.5±0.5)×10-6 |
| Flexural strength after sintering(Mpa) | 1200 |
| Translucency(1.0±0.02mm) | 41% |
| Fracture toughness(MPa.m1/2) | 6.5 |
| Hardness(HV10) | 1350 |
| Accelerated aging surface monoclinic phase content | ＜15% |
| Chemical solubility after sintering(μg.cm-2) | ＜100 |
| Cytotoxicity | 0 Level |
| Radioactivity(Bq.g-1) | ＜0.1 |
| Sintering temperature(℃) | 1500-1530 Recommend 1500 |
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