abstract |
The invention relates to a composition for dental impressions which contains, as main component, 4 to 40% by weight of an acetoacetylated polyvinyl alcohol, having an acetoacetylation degree of 0.5 to 15 mol% and a degree of polymerization from 100 to 1500, and, as additional components, 1 to 20% by weight of gelling agents and 20 to 85% by weight of fillers. |