Dental cement composition comprising(i) a particulate filler reactive with a polyacid in a cement reaction；(ii) a water-soluble polymerizable compound of the following formula (1), AXn (1)whereinA is a linker group containing at least n nitrogen atoms and optionally one or more acidic groups,X are moieties containing a polymerizable double bond and forming an amide bond with a nitrogen atom of A, which X may be the same or different and are represented by the following formula (2)whereinR1 and R2 are independent from each other and represent a hydrogen atom, a C1-6 alkyl group or a group -(CH2)m-COOM, wherein M is a hydrogen atom or a metal atom, and m is an integer of from 0 to 6,L is a bond or a C1-6 alkylene group； andn is an integer of at least 1；provided that at least one X cannot be a (meth)acryl group； and(iii) an initiator system；optionally a polyacidic polymer having polymerizable double bonds； and optionally water.
