abstract |
Dental material containing a urea derivative according to the general formula I,nwherein R 1 and R 2 are each independently an aliphatic C 1 -C 15 radical which may be interrupted by -O-, -S-, -CO-O-; X is a radically polymerizable group; Y is a radically polymerizable group or an acidic group; n, m are each independently 1, 2, or 3. |