PROBLEM TO BE SOLVED: To provide dental cleaning materials having a performance without variations due to suppression of gel separation during storage while improving operability by adding gelling agent, moreover showing excellent cleanability against contamination by protein-containing body fluids on dental restorations and abutment teeth, having excellent adhesion durability after cleaning, and being safe even when used in the oral cavity.SOLUTION: Provided is a dental cleaning material which contains (a) acid group-containing radically polymerizable monomer; (b) water; and (c) a gelling agent consisting of (c-1) a hydrophilic filler, (c-2) a hydrophobic filler, and (c-3) a polymeric thickener.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】ゲル化材を配合して操作性を向上するとともに、保存中におけるゲルの分離を抑制することで性能のばらつきをなくし、その上で歯科用修復物、及び支台歯のタンパク質含有体液による汚染に対して優れた洗浄性を示し、洗浄後の接着耐久性に優れ、かつ口腔内で使用した際にも安全である歯科用清掃材を提供する。【解決手段】酸性基含有ラジカル重合性単量体(a)、水(b)、並びに、親水性フィラー(c-1)、疎水性フィラー(c-2)、及び高分子系増粘剤(c-3)からなるゲル化剤(c)を含有する歯科用清掃材。【選択図】なし