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Our factory can produce three different types of Pre-Sintered Zirconia Blocks, namely white zirconia blocks, pre-colored zirconia blocks, and multi-layered zirconia blocks.This article mainly introduces high-transparency pre-sintered zirconia blocks. High-transparency pre-sintered zirconia blocks is white zirconia and needs to be colored.
1.high-transparency pre-sintered zirconia blocks Introduction：
high-transparency pre-sintered zirconia blocks improves the translucency of 3Y zirconia, which also has good strength. high-transparency pre-sintered zirconia blocks could be used to make full contour restoration for both anterior and posterior areas.
2.Application range of high-transparency pre-sintered zirconia blocks
Permanent anterior and posterior crowns
Permanent anterior and posterior bridges
Implant crowns and bridges
Full arch implant restorations
3.Characteristics of high transparency pre-fired zirconia blocks
·These blanks have enhanced strength and good translucency.
·Provide excellent edge stability and blank fracture strength during processing.
·Balanced composition and fine grain structure ensure excellent technical properties.
4.Available sizes
Opening system | Amann Girrbach system | ZirkonZahn system |
98*10mm | 89*71*10mm | 95*10mm |
98*12mm | 89*71*12mm | 95*12mm |
98*14mm | 89*71*14mm | 95*14mm |
98*16mm | 89*71*16mm | 95*16mm |
98*18mm | 89*71*18mm | 95*18mm |
98*20mm | 89*71*20mm | 95*20mm |
98*22mm | 89*71*22mm | 95*22mm |
98*25mm | 89*71*25mm | 95*25mm |
5.Sintering curve of high transparency pre-fired zirconia blocks
| Sintering Curve | ||||
| Sintering step | Start Temperature(℃) | End Temperature(℃) | Time(Min) | Rate(℃/Min) |
| Step 1 | 20 | 300 | 70 | 4 |
| Step 2 | 300 | 1000 | 175 | 4 |
| Step 3 | 1000 | 1530 | 177 | 3 |
| Step 4 | 1530 | 1530 | 120 | 0 |
| Step 5 | 1530 | 800 | 146 | -5 |
| Step 6 | 800 | natural cooling 20 | / | / |
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