PROBLEM TO BE SOLVED: To provide a formulation for sealing a tooth dentinal tubule that does not contain impurities, and has excellent biocompatibility, hard tissue induction potency, antibacterial effect, and operability.SOLUTION: A formulation for sealing a tooth dentinal tubule is an aqueous solution containing water-soluble calcium salt and water-soluble silicate.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】不純物を含まず、良好な生体適合性、硬組織誘導能、抗菌効果、及び操作性を有する歯の象牙細管封入用製剤を提供する。【解決手段】本発明の歯の象牙細管封入用製剤は、水溶性カルシウム塩及び水溶性ケイ酸塩を含む水溶液であることを特徴とする。【選択図】なし