Magnetic fastening system for dental prosthesis
US4880383A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 20, 1987 |
| Grant date | Nov 14, 1989 |
| Priority date | — |
| Expiry date | Nov 20, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C13/235
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A system for fastening a dental prosthesis comprising a support element to be fitted in the mouth and a fastening element to be fitted on the prosthesis with the support element being designed to detachably retain said fastening element. According to the invention, the support element comprises a bottom portion and a top portion. At least the top portion is made, at least in part, of magnetic material, and the support element has an essentially oval contour in sideview and includes attaching means for attaching it to at least one dental element. The fastening element comprises a cover plate of magnetically receptive material capable of at least partially embracing the support element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.