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IPS Empress Esthetic

Product Description
Leucite crystals of a few microns evenly grow in a multi-stage process directly from the amorphous glass phase. During the fabrication of the ingots, the semi-finished product in powder form is pressed to ingots in a fully automated process, which enables a maximum of homogeneity. Given the difference in the coefficients of thermal expansion (CTE) between the glass phase and the crystal phase (leucite), cooling after sintering produces compressive stress in the glass phase. This mechanism results in an increase in strength and enables IPS Empress Esthetic to achieve a flexural strength of 160 MPa.

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IPS Empress Esthetic
Ivoclar Vivadent Inc.
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