PROBLEM TO BE SOLVED: To provide a post-treatment composition for dental ozone treatment enabling firm and sure bonding of a dental restoration material to tooth, especially exhibiting excellent adhesiveness to dentin, with a simple operation in the case of bonding the dental restoration material to the tooth with a dental adhesive after oxidizing agent treatment, especially dental ozone treatment in oral cavity.SOLUTION: The post-treatment composition for dental ozone treatment includes (A) a reducing agent, (B) an organic solvent, (C) water, and (D) a polymerizable monomer.COPYRIGHT: (C)2015,JPO&INPIT【課題】口腔内酸化剤処置特に歯科オゾン処置後に歯科用接着材にて歯科用修復物の歯質への接着の際に、簡便な操作で強固に且つ確実に歯科用修復物を歯質に接着させることのできる、特に象牙質に対して優れた接着性を発揮できる歯科オゾン処置の後処理用組成物を提供すること。【解決手段】(A)還元剤、(B)有機溶媒、(C)水および(D)重合性単量体を含有する、歯科後処理用組成物。【選択図】なし