Porcelain dental restoration having a plurality of uniform, color-matched layers
US4828117A · kind A · utility
66Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1984 |
| Grant date | May 9, 1989 |
| Priority date | — |
| Expiry date | Jul 18, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K6/802
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A porcelain dental restoration having a plurality of layers including a translucent porcelain layer overlying a more opaque ceramic layer, wherein the color of each of the said two layers is uniform and wherein the colors of the said two layers match.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.