Description
KATANA™ Zirconia STML by Kuraray Noritake
KATANA Zirconia STML (Super Translucent Multi-Layered) pairs 748 MPa flexural strength with a graduated translucency profile, so one disc handles esthetic anterior work and durable posterior crowns and bridges. Four seamlessly blended layers reproduce the chroma and translucency of natural teeth — no visible transition lines, no layering porcelain required.

Features & Benefits
- Natural multi-layered color gradient – four layers (Enamel, Transition 1, Transition 2, Body) mimic natural tooth anatomy from incisal to cervical.
- Versatile indications – anterior and posterior crowns, frameworks and bridges up to 3 units, plus veneers, inlays and onlays.
- Rapid sintering – speed-sinters in as little as 20 minutes in compatible chairside furnaces (cycle time depends on your furnace), with standard and fast lab cycles also available.
- High surface quality & milling precision – in-house raw material production gives excellent edge stability, minimal chipping and a smooth surface after milling.
- Finishing flexibility – ideal for monolithic ultra-micro-layering with CERABIEN™ ZR FC Paste Stain or vestibular cutback micro-layering.

Specifications
| Flexural strength | 748 MPa |
|---|---|
| Translucency | 49% light transmittance, graded incisal to cervical |
| Layer structure | 4 layers – Enamel, Transition 1, Transition 2, Body |
| Disc size | 98.5 mm diameter – 14, 18 and 22 mm thickness |
| Sintering | As little as 20 minutes, depending on furnace · standard and fast lab cycles available |
| Minimum thickness | Veneer 0.4 mm · Anterior crown 0.4 mm · Inlay/onlay 0.5 mm · Posterior crown 0.5 mm |
| Connector size | Anterior 2–3 unit bridge 7 mm² · Anterior 4+ unit 9 mm² · Posterior bridge 9 mm² |
| Indications | Anterior & posterior crowns, 3-unit bridges, frameworks, veneers, inlays/onlays |
Ordering
| Thickness | Price |
|---|---|
| 14 mm | $139 |
| 18 mm | $179 |
| 22 mm | $219 |
Shades stocked: A1, A2, A3, A3.5, A4, B1, B2, B3, C1, C2, C3, D2, D3, NW (Natural White). Choose thickness above, then select your shade.






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