Orthodontic composition with polymeric fillers
US9351908B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2014 |
| Grant date | May 31, 2016 |
| Priority date | — |
| Expiry date | Aug 22, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K6/62
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Orthodontic adhesives are claimed which use polymeric filler particles with defined particle size characteristics. The particle size characteristics are controlled such that these adhesives provide comparable mechanical retention and cohesive strength of conventional orthodontic adhesives when used to bond orthodontic appliances to teeth. Because polymeric fillers are generally softer than inorganic fillers, these adhesives are easier to remove from the tooth than conventional adhesives after debonding an orthodontic appliance. Embodiments of the invention include both self-curing and two-part adhesives, packaged adhesive-coated orthodontic appliances, and methods for removing a cured adhesive from a tooth surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.