HT ST 12mm Dental Zirconia Block
Zotion has many types of zirconia,including white zirconia block(HT:>1200mpa Translucency :41%,ST:>900mpa Translucency:43%),preshaded zirconia block(STC:>900mpa Translucency:43%,HTC:>1200mpa Translucency:41%),3D multilayer zirconia block(STM:800mpa-1100mpa Translucency:43%-49%,ATM:600mpa-900mpa Translucency:46%-55%),3D multilayer preshade zirconia block(TSTM:800mpa-1100mpa Translucency:43%-49%,TATM:600mpa-900mpa Translucency:46%-55%) Zotion dental zirconia block has high strength, good translucency and natural color.And Zotion zirconia has CE and ISO certificates ,it has been sold to more than 120 countries around the world .
- Product Introduction
Products Description

HT ST 12mm Dental Zirconia Block is a high-quality dental zirconia block with a size of 12mm. This zirconia block adopts high-temperature sintering technology, has excellent strength and durability, and is suitable for making various dental restorations.
Main features:
High temperature sintering technology:
HT ST zirconia block adopts advanced high temperature sintering technology to improve its mechanical properties by densifying the material structure at high temperature. This process makes the zirconia grains tightly bonded, reduces internal defects, and enhances the strength and durability of the material.
High strength:
High temperature sintering technology enables the bending strength of HT zirconia block to be greater than 1200 MPa, and the bending strength of ST can be greater than 900 MPa, which can withstand the strong bite force in the mouth.
Wear resistance:
The dense microstructure gives HT ST zirconia block excellent wear resistance, which can resist the wear caused by long-term chewing and maintain the stability of the restoration's morphology and function.
Size and Specifications:
HT ST zirconia blocks with a thickness of 12mm are suitable for making small and medium-sized dental restorations, such as crowns and partial bridges. Designed to be compatible with a variety of digital dental milling systems, they provide excellent processing accuracy and flexibility to meet personalized restoration needs.
Beautiful and natural appearance:
HT ST zirconia blocks have good transparency, with a transmittance of up to 43%, giving the restorations a color and optical properties close to natural teeth.
High color stability, long-term use is not prone to discoloration, and the aesthetic effect is long-lasting.
Biocompatibility:
HT ST zirconia blocks have been rigorously tested and have excellent biocompatibility, will not cause allergic reactions, and are suitable for long-term use in the mouth to ensure the safety and comfort of patients.
| Type | Code | Translucency | Flexural strength | Color |
| White zirconia block | HT | 41% | >1200Mpa | white |
| ST | 43% | >900Mpa | ||
| Monolayer preshaded zirconia block | HTC | 41% | >1200Mpa | A1.A2.A3 |
| STC | 43% | >900Mpa | A1.A2.A3.A3.5 A4. B1.B2.B3.B4 C1.C2.C3.C4 D2.D3.D4 BL1.BL2.BL3 BL4 | |
| 3D Multilayer preshaded zirconia block | STM | ≥Top-Bottom≥49%-≥43% | Top-Bottom ≥800Mpa-≥1100Mpa | |
| ATM | Top-Bottom≥55%-≥46% | Top-Bottom ≥600Mpa-≥900Mpa | ||
| 3D multilayer preshade zirconia block(made of Tosoh zirconia powder) | TSTM | Top-Bottom≥43%-≥49% | Top-Bottom ≥800Mpa-≥1100Mpa | |
| TATM | Top-Bottom≥46%-≥55% | Top-Bottom ≥600Mpa-≥900Mpa |







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As a core supplier of high-end dental zirconia materials in the world, Zotion provides high-cost-effective and highly adaptable solutions for denture factories and clinics. Choosing Zotion, you will get the following irreplaceable advantages:
1. Agile supply chain: zero inventory pressure, extremely fast delivery
Zotion supports customized orders, and the delivery cycle can still be controlled within 10-15 working days (the industry average is 15-20 days).
2. Full-chain compliance certification: double guarantee of safety and clinical adaptability
The HT ST series has passed ISO 13356 zirconia biocompatibility certification and CE Class II medical device registration access, and strictly complies with the mechanical and aesthetic standards of oral restorations. Each batch of ceramic blocks is accompanied by a traceable quality inspection report (including key data such as density ≥6.05g/cm³ and three-point bending strength ≥1200MPa).
3. Ten years of zirconia research
Zotion has been deeply involved in the field of zirconia materials for more than 10 years, and has supplied more than 2 million ceramic blocks to more than 7,000 customers worldwide. .
Choosing Zotion will give you a complete value chain with lower costs, higher yields, and fewer after-sales disputes. We look forward to empowering your business growth with material technology!



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