To provide an interdental cleaning implement capable of improving cleaning property of an interdental space.SOLUTION: An interdental cleaning implement comprises: a base part comprising a shaft part (20) having an insertion end (22a) and base end part； and a cleaning part (40). The shaft part (20) comprises: a shaft part body (22) the insertion end (22a) and the base end part, and having a cylindrical outer peripheral face； and a recess (24) formed into a shape which becomes dent inward from the outer peripheral face of the shaft part body (22) in a radial direction of the shaft part body (22). The cleaning part (40) is formed into a shape for covering a portion closer to the insertion end (22a) side than to the recess (24) on the shaft part body (22), and a cleaning base end part (42a) which is a base end part side end in an axial direction on the cleaning part (40) is connected to an insertion end part side outer end part (25a) being an end part on the insertion end (22a) in the axial direction on the recess (24).SELECTED DRAWING: Figure 2【課題】歯間の清掃性を向上可能な歯間清掃具を提供すること。【解決手段】歯間清掃具であって、挿入端部（２２ａ）及び基端部を有する軸部（２０）を含む基部と、清掃部（４０）と、を備え、軸部（２０）は、挿入端部（２２ａ）及び基端部を含みかつ筒状の外周面を有する軸部本体（２２）と、軸部本体（２２）の径方向について当該軸部本体（２２）の外周面から内向きに窪む形状を有する凹部（２４）と、を有し、清掃部（４０）は、軸部本体（２２）のうち凹部（２４）よりも挿入端部（２２ａ）側に位置する部位を被覆する形状を有し、清掃部（４０）のうち軸方向についての基端部側の端部である清掃基端部（４２ａ）は、凹部（２４）のうち軸方向についての挿入端部（２２ａ）側の端部である挿入端部側外端部（２５ａ）につながっていること。【選択図】図２
