PROBLEM TO BE SOLVED: To safely and effectively remove a food residue clogged in a gingival portion (inside of jaw, inside of cheek, inside of nose) connected to teeth. SOLUTION: A contact member 2 that contacts a gingival part (inner jaw, cheek inner, under nose) S connected to a tooth, which is made of an elastic food material that can be eaten. The food residue adhering to the gingival part S to connect is removed. Moreover, it is the operation member 4 which operates the said contact member 2, Comprising: The operation member 4 which consists of a flexible food raw material which can be eaten is provided. [Selection] Figure 1【課題】 歯に連結する歯肉部（顎の内側、頬の内側、鼻下の内側）に詰った食品残渣を安全かつ効果的に除去する。【解決手段】 歯に連結する歯肉部（顎の内側、頬の内側、鼻下の内側）Ｓに接触する接触部材２であって、食することができる弾力性ある食品素材からなり、歯に連結する歯肉部Ｓに付着した食品残渣を除去する。また、前記接触部材２を操作する操作部材４であって、食することができる弾力性ある食品素材からなる操作部材４を備える。【選択図】 図１
