PROBLEM TO BE SOLVED: To provide an aqueous gel composition for the application to the tooth-plane, the an aqueous gel composition giving a high retention effect and retention actual feeling (tooth-plane coating actual feeling ) of a drug active ingredient, and is suitable for the prevention or inhibition of oral diseases, such as caries, by applying to the teeth.SOLUTION: The invention provides an aqueous gel composition for the application to the tooth-plane containing (A) polyoxyethylene hardened castor oil (B) thickening silica with a liquid adsorption of 3.5 mL/g or more (C) sodium polyacrylate and (D) a drug active ingredient.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】歯に塗布して使用することで、高い薬効成分滞留効果及び滞留実感(歯面コート実感)を与え、う蝕等の口腔疾患の予防又は抑制に好適な歯面塗布用水性ゲル組成物を提供する。【解決手段】(A)ポリオキシエチレン硬化ヒマシ油、(B)吸液量3.5mL/g以上の増粘性シリカ、(C)ポリアクリル酸ナトリウム、及び(D)薬効成分を含有してなることを特徴とする歯面塗布用水性ゲル組成物。【選択図】なし
