ZirArt 4D Multilayer Zirconia Discs

Lodden

Multilayer zirconia discs for CAD/CAM milling, with many layers that grade in shade, translucency and strength for monolithic anterior and posterior work. The gradient is built into the disc, so a monolithic crown leaves the furnace with a more opaque, stronger neck area and a translucent incisal edge — and according to the manufacturer extensive staining is not needed. Several models, shades and thicknesses let the lab match the disc to the case, from veneers and inlays to bridges.

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Key features

8 graded layers — shade, translucency and strength change together from cervical to incisal
Translucency of 43–57% — a translucent incisal edge over a more opaque cervical, like a natural tooth
Flexural strength up to 1300 MPa at the cervical — the highest strength where it is needed
Up to 23 shades: VITA16, BL1–BL4 and OM1–OM3
Four models made from Sinocera and Tosoh powders — chosen by case
Manufacturer indications run from veneers and inlays to long-span bridges, full arches and implant work

Technical specifications

Type: multilayer zirconia discs for CAD/CAM milling
Layers: 8
Flexural strength: 700–1200 MPa (4D PRO) · 800–1300 MPa (4D PRO MAX, TURBO, MASTER)
Translucency: 43% (cervical) to 57% (incisal)
Shades: up to 23 — VITA16 + BL1–BL4 + OM1–OM3, by model
Format: 98 mm · 95 mm · AG
Thickness: 10, 12, 14, 16, 18, 20, 22, 25, 30 mm
Raw powder: Sinocera (PRO, PRO MAX) · Tosoh (TURBO, MASTER)
Sintering: 1500°C, hold of 85 or 120 minutes by restoration thickness and span
Indications: veneers, inlays/onlays, anterior and posterior crowns, copings, bridges, full arch, implant bridges, abutments