PROBLEM TO BE SOLVED: To provide a dental composition to be pasted to the diseased part in the treatment of dental diseases represented by periodontal diseases, effective for treating the diseased part and preventing the diseases of the surrounding part, and easily applicable to the diseased part and removable from the applied part.SOLUTION: The dental composition comprises a polymer having a monomer unit of an acidic radically polymerizable monomer (Ma), a pharmaceutical component for the periodontal tissue, and at least one kind of agents selected from antimicrobial agents and disinfectants.COPYRIGHT: (C)2008,JPO&INPIT【課題】歯周病を代表とする歯科疾患の治療に際し、歯周治療の際に患部に貼薬し、罹患部の治療および周囲の組織の疾病予防に用いることに有用である、患部への適用および適用後の除去が容易な歯科用組成物を提供すること。【解決手段】酸性ラジカル重合性単量体(Ma)の単量体単位を有する高分子重合体と、歯周組織に対する薬効剤、殺菌剤および消毒剤よりなる群から選ばれる少なくとも1種の薬剤とを含有する歯科用組成物。【選択図】なし