Method of fabricating precise cast or noncast implant-retained dental restorations using electrical discharge machining
US5690843A · kind A · utility
11Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 2, 1996 |
| Grant date | Nov 25, 1997 |
| Priority date | — |
| Expiry date | Jan 2, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2002/30978
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of fabricating a precise implant-retained dental restoration from a casting or solid metal body by fabricating multiple electrodes, which are negatives of the surfaces of the desired restoration, and machining the casting or solid metal body against the electrodes by electrical discharge machining.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.