IPS e.max Preparation

Careful preparation is decisive for the accuracy of fit and durability of the restoration. Precise marginal design with a circular shoulder or a chamfer preparation with rounded inner edges is important. Sharp transitions and feather edges must be avoided. Adhesive cementation permits defect-oriented preparation.

Strong restorations
In order to achieve sufficiently strong restorations, the minimum thicknesses have to be observed. With the IPS e.max system, the recommended areas of indication, preparation recommendations and connector strength values for the material used (LS₂ or ZrO₂) have to be observed.