Dental restorative composite
US6127450A · kind A · utility
26Cited by
51References
34Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 9, 1998 |
| Grant date | Oct 3, 2000 |
| Priority date | — |
| Expiry date | Jun 9, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P1/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a resin-based dental restorative that exhibits high condensability, low volumetric shrinkage and low shrinkage stress. To this end, one or more of a rheological modifier, dispersant and fluorocopolymer are mixed with a methacrylate resin and a fine mineral filler in amounts effective to improve the condensability of the resulting composite to achieve amalgam-like condensation, to reduce the volumetric shrinkage to less than about 2% during polymerization, to improve wear resistance, and to provide a composite with generally improved physical properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.