Aligners with elastic layer
US11154382B2 · kind B2 · utility
72Cited by
185References
51Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2015 |
| Grant date | Oct 26, 2021 |
| Priority date | — |
| Expiry date | Jan 30, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/0586
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In one aspect, an orthodontic appliance can include a shell having a plurality of cavities shaped to receive a patient's teeth. The shell can include an exterior layer and an interior layer having a stiffness less than a stiffness of the exterior layer. A discontinuity can be formed in the exterior layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.