PROBLEM TO BE SOLVED: To provide an adhesive composition for dental use hardenable well even by using an irradiator using an LED light source, and exhibiting excellent adhesiveness to teeth.SOLUTION: This adhesive composition for dental use includes (a) an acid group-containing polymerizable monomer, (b) an iron-arene complex of formula 1, and (c) an organic peroxide, where in the formula, R3 is a hydrogen atom or a hydrocarbon group n is an integer of 0 to 6, when n is &ge2, respective R3s may be the same or different from each other, and the plurality of R3s may together form a condensed aromatic hydrocarbon cyclic group X- is an anion selected from a halide ion, sulfonic acid ion, BF4-, PF6-, AsF6-, SbF6-, B(C6F5)4- or Ga(C6F5)4-.COPYRIGHT: (C)2012,JPO&INPIT【課題】LED光源を用いた照射器を用いても良好に硬化し、歯牙に対して優れた接着性を示す歯科用接着性組成物の提供。【解決手段】a)酸性基含有重合性単量体、b)式1の鉄アレーン錯体、およびc)有機過酸化物を含有する歯科用接着性組成物。【選択図】なし
