Dental impression tray for forming a dental prosthesis in situ
US4368040A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 1, 1981 |
| Grant date | Jan 11, 1983 |
| Priority date | — |
| Expiry date | Jun 1, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C9/0006
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dental impression tray for forming a negative impression of a dental area to be restored. Application devices on the tray permit injection of dental restorative material into a mold cavity defined between the negative impression formed in the tray and the dental area after preparation thereof for restoration. In this manner, a dental prosthesis can be formed in situ utilizing the dental impression tray itself as part of the mold forming device. In a modified form, the tray can be separated into two half sections, whereby in further embodiments thereof, the half sections can be joined together and are interchangeable with half sections of different sizes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.