Dental attachment placement structure
US11937991B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2019 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | Jul 14, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C7/16
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Aligner attachment placement devices including a frame configured to extend over at least a portion of a dental arch, an attachment support extending from a first side of the frame, an aligner attachment frangibly connected to the attachment support, a first and second registration anchor, and a retention support extending from a second side of the frame. In some cases, a gap portion of the frame between the first and second registration anchors may be configured to suspend over one or more teeth of the dental arch. The retention support may be separate from and located between the first and second registration anchors. The retention support may include an extension arm and a tooth contact portion, where at least part of the extension arm has a smaller width than the tooth contact portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.