(Meth) acrylamide asymmetric diaromatic contg. dental composition

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PROBLEM TO BE SOLVED : To provide a dental composition exhibiting excellent adhesion to both dentin and enamel, and having good storage stability because separation of each component hardly occurs.SOLUTION : A dental composition includes a (meth)acrylamide compound (a) represented by general formula (1) and an acid group- containing (meth)acrylic monomer (b). In the formula : X is a 1-6C linear or branched aliphatic group, to which at least one bond selected from the group consisting of -O-, -S-, -CO-O-, -CO-NH-, -O-CO-NH- and -NH-CO-NH- may be inserted; Ris a 1-4C linear or branched aliphatic group; and Rand Rare each independently a hydrogen atom or a methyl group.