A dental polyfunctional monomer comprising a compound represented by the general formula below, in which the core (X) below and the terminal group (Y2A) below are bonded to each other via the linking group (Z) below: X (Y2A) n 8aA (Z-Y2A) n 8bA in the general formula , n 8aA represents the number of terminal groups (Y2A) directly bonded to the core (X) which is 0, n 8bA represents the number of terminal groups (Y2A) bonded to the core (X) via the linking group (Z) which is an integer of not less than 3, and the sum of n 8aA and n 8bA is equal to the valence of the core (X); the core (X) is at least one selected from the group consisting of groups represented by the general formulas , , , , and below in which an atom bonded to the linking group (Z) is the oxygen atom or the nitrogen atom; the terminal group (Y2A) is a (meth)acryloyl group-containing group (Y3) which is at least one selected from the group consisting of groups represented by the general formulas to below, a (meth)acryloyl group or a C 1-20 hydrocarbon group, and a plurality of terminal groups (Y2A) may be the same as or different from each other, with the proviso that among all the terminal groups (Y2A) in the compound represented by the general formula , three or more terminal groups are (meth)acryloyl group-containing groups (Y3) or (meth)acryloyl groups, and one or more terminal groups are (meth)acryloyl group-containing groups (Y3); and the linking group (Z) is a divalent group represented by the general formula below, and when the compound represented by the general formula contains a plurality of linking groups (Z), the linking groups (Z) may be the same as or different from each other; in the general formula , n 6g is an integer of 1 to 40 and in the general formula , n 4a , n 4b and n 4c represent the unit numbers of respective repeating units, and are each 0 to 100, the sum of n 4a , n 4b and n 4c is 1 to 100, the left end of the group is bonded to the core (X), and the right end of the group is bonded to the terminal group (Y2A). in the general formula , n 8aA represents the number of terminal groups (Y2A) directly bonded to the core (X) which is 0, n 8bA represents the number of terminal groups (Y2A) bonded to the core (X) via the linking group (Z) which is an integer of not less than 3, and the sum of n 8aA and n 8bA is equal to the valence of the core (X); the core (X) is at least one selected from the group consisting of groups represented by the general formulas , , , , and below in which an atom bonded to the linking group (Z) is the oxygen atom or the nitrogen atom; the terminal group (Y2A) is a (meth)acryloyl group-containing group (Y3) which is at least one selected from the group consisting of groups represented by the general formulas to below, a (meth)acryloyl group or a C 1-20 hydrocarbon group, and a plurality of terminal groups (Y2A) may be the same as or different from each other, with the proviso that among all the terminal groups (Y2A) in the compound represented by the general formula , three or more terminal groups are (meth)acryloyl group-containing groups (Y3) or (meth)acryloyl groups, and one or more terminal groups are (meth)acryloyl group-containing groups (Y3); and the linking group (Z) is a divalent group represented by the general formula below, and when the compound represented by the general formula contains a plurality of linking groups (Z), the linking groups (Z) may be the same as or different from each other; in the general formula , n 6g is an integer of 1 to 40 and in the general formula , n 4a , n 4b and n 4c represent the unit numbers of respective repeating units, and are each 0 to 100, the sum of n 4a , n 4b and n 4c is 1 to 100, the left end of the group is bonded to the core (X), and the right end of the group is bonded to the terminal group (Y2A). <EOS>