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Lithium Disilicate and Metal-Free Restorations

A look at the IPS e.max lithium disilicate products availbale

Chetan Geisel

on 13 June 2014

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Transcript of Lithium Disilicate and Metal-Free Restorations

Lithium Disilicate and Metal-Free Restorations
Excellent aesthetics with varying methods of customisation
Depending on the indication, adhesive, self-adhesive and conventional cementation
Production processes can suit operators capabilities (wax or CAD)
Pressed hybrid abutment solutions from your laboratory

Whichever method is chosen, there are numerous Indications:
Thin veneers (down to 0.3 mm)
Minimally invasive inlays and onlays
Partial and full crowns
3 units in anterior and posterior regions (to 2nd premolar) when monolithic/cut-back)
Up to 10 unit bridges (when veneered to ZrO2)
Re usability:
Research has shown it is possible to re-use pressed buttons.
More research needed to discover clinical acceptability most importantly.
IPS e.max ceram
Low-fusing nano-fluorapatite glass-ceramic
Can be monolithic or layered structures
Other products in the system include
IPS e.max ZirPress
Low-fusing nano-fluorapatite glass-ceramic
IPS e.max ZirCAD
Yttrium-stabilised zirconium dioxide
CTE range of 10.5-11.0 x 10-6 K-1 [100-500 °C]
Chetan Geisel,

Lost-wax process
Organic/ash free wax
Pressing porcelain furnace
Ringless investing equipment
CAD/CAM system:
Digital impression
Restoration design
Milling procedure
Chetan Geisel


Buzz words
Buzz materials
alternatives to porcelain veneered to alloy substructures.
Alumina based porcelains
Lithium Disilicate
Leucite-based porcelains
Full transcript