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Upcera TT One Pre-Shaded Zirconia 

TT One Pre-Shaded Zirconia is Upcera’s 4Y-PSZ disc, shaded throughout. There is no gradient and no layering. Whatever shade you order that shade runs top to bottom, edge to edge. 

Flexural strength sits at 1000 MPa. Translucency holds at 47% throughout the blank. The recommended sintering temperature is 1480 degrees Celsius. 

Uniform shading makes nesting easier. With a layered disc, each unit has to be lined up with the gradient, which wastes material. Here, you can rotate and tilt units however you like and pack them closely, while the shade stays consistent. On a busy mill, that can mean getting nine crowns from a disc instead of six. 

Built for Strength, Shade Consistency and Fast Turnaround

Labs run TT One Pre-Shaded for one reason: it removes decisions. No dipping, no drying, no orientation check before you hit send.

  • 1000 MPa flexural strength, enough for anterior and posterior

  • 47% translucency, which reads natural without going glassy

  • Shade is identical at every point in the disc

  • Pre-shaded in 16 VITA classical shades plus BL1 to BL4

  • Fine grain structure that mills clean and polishes well

4Y-PSZ sits in the middle of the range on purpose. You give up some of the raw strength of a 3Y disc and some of the light transmission of a 5Y, but you get one material that handles almost everything that comes through the door.

UPCERA

TT One Pre-Shaded Zirconia Discs: Specs and Technical Highlights 

SpecificationDetail
Material4Y-PSZ, pre-shaded throughout 
Flexural strength 1000 MPa 
Translucency47%
Shades 16 VITA classical plus BL1 to BL4 
Diameter 98 mm 
Thickness 10 mm 
Sintering temperature 1480 degrees Celsius 
Finishing Standard stain and glaze systems 

These TT One pre-shaded zirconia discs run in open-architecture CAD/CAM systems and handle both conventional and speed sintering programs. Keep the 1480-degree recommendation: under firing a 4Y disc leaves it chalky; overfiring increases grain growth and shifts the shade.

TT One Pre-Shaded Zirconia: Applications and Indications 

Most labs stock TT One pre-shaded zirconia for bridges and single crowns; 1000 MPa covers both, eliminating the need for a second disc.

  • Single crowns, anterior and posterior

  • Two- and three-unit bridges in either arch

  • Implant-supported single crowns

  • Monolithic full-contour restorations

  • Cutbacks for layering porcelain over a shaded core

For long-span posterior bridges and full-arch hybrids, choose Upcera Explore Functional (1027–1300 MPa). For a natural shade transition in the smile zone, TT One Multilayer offers the same 4Y chemistry with a built-in gradient.

Thickness guide

TT One Pre-Shaded Dental Blocks in Every Thickness 

10 mm

The 10 mm disc is the most economical choice for single units and short bridges. It has the lowest cost per blank and nests efficiently when most of your cases are crowns.

12 mm and 14 mm

for standard crown and bridge production

16 mm and 18 mm

for deeper preparations and taller units

20 mm and 22 mm

for longer spans

25 mm and 30 mm

for full-arch frameworks

Why Buy TT One Pre-Shaded Zirconia from Zirconia Guys

Zirconia Guys ships Upcera discs to labs across the US from Iselin, New Jersey.

  • Genuine Upcera stock, never grey-market or repackaged

  • All 20 shades on the shelf, so a shade match never holds up a case

  • Fast domestic shipping, with better pricing at volume

  • Full Upcera range in one place, including TT One Multilayer, ST and Explore

Buy TT One pre-shaded zirconia online or call +1 732 664 6644 to open a lab account.

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