Shade-coordinated, veneering porcelain system for dental prostheses
US11426332B2 · kind B2 · utility
1Cited by
3References
8Claims
0Family size
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Key dates
| Filing date | Oct 10, 2017 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Jan 12, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K6/833
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention is related to a shaded porcelain system that contains two types of veneering porcelains: natural enamel/dentin body and opal enamel, as well as stain & glaze porcelain, with CTE that are compatible to and which can be used for veneering a dental prosthesis made of 1) lithium disilicate-based glass-ceramic substructure that is formed by hot pressing or CAD/CAM machined process or 2) YTZP zirconia-based ceramic substructure that is formed by CAD/CAM machined process in order to improve overall esthetics of final prosthesis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.