A polymerizable dental adhesive composition, which comprises (i) 10 to 90 percent by weight based on the total weight of the composition of a mixture of hydrolysis-stable polymerizable monomers of the following formula (I): €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ R(A) m (B) n (I) wherein R is a single bond or a m+n valent organic group having 1 to 20 carbon atoms and optionally 1 to 5 atoms selected from the group of nitrogen, oxygen and sulfur atoms； A independently represents a moiety of the following formula (II): wherein L is a hydrogen atom, a C 1-6 alkyl group, a C 3-8 cycloalkyl group, a C 6-14 aryl group or a group of the following formula (III) wherein R' is a hydrogen atom, a C 1-6 alkyl group, a C 3-8 cycloalkyl group, or a C 6-14 aryl group； X is O, S, NH or NR" wherein R" is a C 1-6 alkyl group, a C 3-8 cycloalkyl group, a C 6-14 aryl group； a is 0 or 1； M is a group of the following formula (IV) wherein Y is O, S, NH or NR"' wherein R"' is a C 1-6 alkyl group, a C 3-8 cycloalkyl group, a C 6-14 aryl group； b is an integer of from 0 to 3； c is 0 or 1； d is an integer of from 0 to 3； provided that when b is 0, then Y cannot be O or S； x is 0 or 1； y is 0 or 1； provided that x and y cannot be both 1, and provided that x cannot be 1 when L or a group of formula (III) is a hydrogen atom, and provided that when x is 0 then a is also 0, and provided that when y is 0 then b is greater than 0 or c is 0； B independently represents a group having antimicrobial activity or an acidic group； m is an integer of from 1 to 5； n is an integer of 0 to 3； and m+n is at least 2； (ii) a water-soluble organic solvent and (iii) an initiator and a stabilizer； wherein the portion of antimicrobial monomers of formula (I) wherein n is greater than 0 and at least one B is a group having antimicrobial activity is at least 0.01 percent by weight based on the total weight of the mixture, a
