Shade matching device for artificial teeth and crown restoration
US5989022A · kind A · utility
69Cited by
3References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 1997 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Oct 10, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB44D3/003
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides a shade matching device for an artificial teeth and a crown restoration in order to correctly adjust the artificial teeth to the natural teeth in shade, which comprises a set of: PA1 shade guides, and PA1 a gingival colored holder which has concaves shaped fitting a neck part of an artificial teeth or a crown restoration and retainers into which the stick of the shade guide can be inserted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.