Fluorescent glass ceramics and glasses with europium content
AssigneeIvoclar Vivadent AG
InventorsMarc Dittmer, Ronny Hengst, Christian Ritzberger
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Abstract
The invention relates to glass ceramics and glasses with a europium content, containing the following components: Component wt.-% SiO2 30.0 to 75.0 Al2O3 10.0 to 45.0 Europium, calculated as Eu2O3 0.05 to 5.0 and which are suitable in particular for the production of restorations, the fluorescence properties of which largely correspond to those of natural teeth.
Claims21
Process for the preparation of a dental restoration, which process comprises giving a glass ceramic with europium content or a glass ceramic comprising the glass ceramic with europium content the shape of the desired dental restoration by pressing, sintering or machining, wherein the glass ceramic with europium content comprises the following components:
- Component
- wt.-%
- SiO2
- 30.0 to 75.0
- Al2O3
- 15.0 to 45.0
- Europium, calculated as Eu2O3
- 0.05 to 5.0.
Dependencies are inferred from the claim text.