The present invention relates to a composition for use as component of a multicomponent resin-modified glass ionomer cement, to a multicomponent resin-modified glass ionomer cement and also to a process for the preparation of the corresponding compositions and of cured dental materials. The invention furthermore relates to the corresponding use of one or more compounds (S) selected from the group consisting of sulfinic acids, salts of sulfinic acids and salts of organoboron compounds.
