Improved composition of a fixing cream, in particular for tooth prostheses, containing at least one oil and/or fat, preferably of a plant type, at least one water-soluble polymer selected from the group of cellulose derivatives, at least one alkyl vinyl ether/maleic acid anhydride copolymer,the fatty acid content of the plant oil or fat contained consisting of at least 20% by weight of unsaturated fatty acids.
