Method of manufacturing digital overdenture and holder abutment mounting guide and fixing bar bending apparatus for holder device applied thereto
US11273016B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2019 |
| Grant date | Mar 15, 2022 |
| Priority date | — |
| Expiry date | Aug 31, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C13/34
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed is a method of manufacturing a digital overdenture. The method includes a first operation of aligning and setting a plurality of pieces of implantation information of fixtures according to alveolar bone information in a planning image, a second operation of designing and manufacturing a surgical guide and a holder abutment mounting guide, a third operation of preparing a temporary denture corrected to form a temporary holder insertion portion having an inner surface part into which a holder device is inserted to be shape-matched therewith, in which the surgical guide is installed in the target arch to implant the fixtures and the fixing bar is fixed to the holder abutments moved to and coupled with top ends of the fixtures by the holder abutment mounting guide, and a fourth operation of manufacturing a digital overdenture including an artificial tooth portion and an artificial gum portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.