DDS Multilayer TT Zirconia Blocks

Perfect Your Smile!

Layer Proportion Vickers

Hardness(HV)

Strength(MPa) Color Translucency
Layer 1 30% ≥1250 ≥750 Shallow

Deep

55%
Layer 2 15%
Layer 3 15%
Layer 4 20%
Layer 5 20%

Characteristics:

Top High Transmittance

Natural Color Transition, Pre-colored.

Simple and Less Process of Production

Available in all classic VITA 16 shades (A1 to D4)
Indications
DDS TT Multilayer is intended for the fabrication and preparation of copings, full anatomical/ full
contour crowns, inlays and onlays restorations.
Note:Directing arrow is marked on the label of multilayer blanks, which points to insical surface.

Chemical Composition

Component Content
ZrO2+HfO2 >90.5wt%
Y2O3 9.28wt%
AL2O3 <0.5wt%
Other Oxides <0.5wt%

Properties

Projects Detection result
Sintering Density ≥6.0g/cm³
Bending Strength ≥750MPa
Transmittance 55%
Vickers Hardness 1250HV
Sintering step Temperature range(℃) Time(h)
paragraph 1 20-900 1.5
paragraph 2 900-900 0.5
paragraph 3 900-1450 3.0
paragraph 4 1450-1450 2.0
paragraph 5 1450-800 1.0
paragraph 6 800-Natural cooling 100 Finished