Dental Material With Pigment
OwnerCorina Serban, Urs Bolle +4inventors
InventorsCorina Serban, Urs Bolle, Christin Wildner, Frank Rothbrust, Sebastian Krolikowski, Christian Ritzberger
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Abstract
A dental material comprising a pigment, wherein the pigment contains Al, Cr and one or more of Y, La and lanthanides. The dental material allows mimicking the red coloration of natural teeth and natural oral mucosa. Also provided is the use of the dental material and the pigment and starting compositions for making the pigment in the preparation of a dental restoration. Furthermore, a process for preparing a dental restoration and a process for preparing the pigment is provided.
Claims15
A dental material comprising
- a pigment,
- wherein the pigment comprises Al, Cr and Z, and Z is selected from the group consisting of Y, La, lanthanides and mixtures thereof.
The process according to claim 15,
- in which the starting composition comprises at least one of the following components in the indicated amounts:
- Component
- Wt.-g
- Z2O3
- 45 to 65,
- Al(OH)3
- 30 to 45,
- Cr2O3
- 0.7 to 1.5,
- CaF2
- 3.0 to 6.0,
- wherein Z is selected from Y, La und lanthanides.
Dependencies are inferred from the claim text.