An object of the present invention is to provide adhesive monomers for dental materials having the function of enhancing adhesive strength to the tooth in dental treatment, and adhesive monomers for dental materials imparting high mechanical strength to cured products. The present invention provides adhesive monomers for dental materials including compounds represented by the general formula (1) below, in which the core (X) below and the terminal group (Y1) below are bonded to each other directly or via the linking group (Z) below: X(Y1)n1a(Z-Y1)n1b(1) (in the general formula (1), n1a represents the number of terminal groups (Y1) directly bonded to the core (X), n1b represents the number of terminal groups (Y1) bonded to the core (X) via the linking group (Z), and the sum of n1a and n1b is equal to the valence of the core (X) ； the core (X) is a C1-200 polyvalent organic group having a valence of not less than 3 containing an oxygen atom or a nitrogen atom in which an atom bonded to the terminal group (Y1) or the linking group (Z) is the oxygen atom or the nitrogen atom； the terminal group (Y1) is a specific phosphorus-containing group, a specific (meth)acryloyl group-containing group (Y2), a (meth) acryloyl group, a C1-20 hydrocarbon group or a hydrogen atom, and a plurality of terminal groups (Y1) may be the same as or different from each other, with the proviso that among all the terminal groups (Y1) in the compound represented by the general formula (1), one or more terminal groups are specific phosphorus-containing groups, and one or more terminal groups are (meth)acryloyl group-containing groups (Y2)； and the linking group (Z) is a specific divalent group, and when the compound contains a plurality of linking groups (Z), the linking groups (Z) may be the same as or different from each other).
