Model and method for taking a three-dimensional impression of a dental arch region
US6887078B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 26, 2001 |
| Grant date | May 3, 2005 |
| Priority date | — |
| Expiry date | Feb 26, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG16H20/40
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A model for acquiring three dimensional data of a portion of a dental arch to receive a prosthesis, the model comprising a casting mold of a dental arch (2) mounted on a base (5), the portion of the casting mold to receive a prosthesis being separate from a remaining portion of the casting mold and mounted so as to be moveable and repositionable precisely on the base using pegs, wherein a mold of each tooth or portion of teeth adjacent to an extremity of the portion of the casting mold to receive the prosthesis (3) is also separate (6, 8, 9) from the remaining portion of the casting mold as well as from the portion of the casting mold to receive the prosthesis, and is mounted so as to be moveable and repositionable precisely on the base of the casting mold using pegs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.