Orthodontic repositioning appliances having improved geometry, methods and systems
US8899977B2 · kind B2 · utility
87Cited by
155References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2008 |
| Grant date | Dec 2, 2014 |
| Priority date | — |
| Expiry date | Apr 25, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C7/002
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides methods and systems including orthodontic tooth positioning appliances. An exemplary appliance can include teeth receiving cavities shaped such that, when worn by a patient, repositioning the patient's teeth from a first arrangement toward a subsequent or target arrangement. Appliances can include a cavity having one or more shaped features or protrusions shaped and/or positioned so as to apply a desired force to a patient's tooth received in the cavity and move the tooth along a desired path or direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.