Dental cement
US5141560A · kind A · utility
11Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 1990 |
| Grant date | Aug 25, 1992 |
| Priority date | — |
| Expiry date | Nov 28, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K6/889
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Dental cement comprising (a) calcium or zinc oxide or hydroxide, (b) a substituted aromatic compound capable of forming a cement with (a), the calcium or zinc oxide or hydroxide of (a) being in stoichiometric excess over (b), and (c) dry poly(carboxylic acid), or a precursor thereof, or dry cation-crosslinkable polymeric acid containing on average 1 phosphonic acid group per 1 to 3 backbone carbon atoms. The cement has bacteriostatic properties, stimulates the formation of secondary dentine, forms an adhesive bond and can be used where pulp tissue is exposed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.