| abstract |
This invention relates to methacrylate-based dental restorative materials characterized by improved degradation stability over the prior art. The task was solved by the use of a new, special polymerizable monomer. Surprisingly, it has been found that the use of a reaction product of a dimethacrylate with 2 different isocyanates having an aromatic nucleus and at least two hydroxyl groups provides very gradation-resistant dental restorative materials. |