Vita Zahnfabrik H. Rauter Gmbh Co. Kg

Christian Strasser

Eva Kolb

Michael Gödiker

The invention relates to a sintered molding with a color gradient for use in the manufacture of dental restorations, obtainable by sintering a compression-molded element comprising five or more different ceramic powder layers, each powder layer comprising at least two different base powders and each base powder containing at least 80 wt. % ZrO, each weight amount being relative to the total weight of the base powder.

Zirconium dioxide green body with color and translucency gradients

The invention relates to a method of manufacturing a ceramic molding, comprising the following steps: a) providing three or more ceramic powder layers that are arranged in layers, one on top of the other, to form a compression-molded element and sintering the compression-molded element obtained in step b) to form a ceramic molding, characterized in that the ceramic powder layers have different compositions, each ceramic powder layer comprising a mixture of at least two different base powders and each base powder containing at least 80 wt. % ZrOand at least 0.02 wt. % AlO, each weight amount being relative to the total weight of the constituents of the base powder.

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Munich, Georgia

Christian Strasser