PROBLEM TO BE SOLVED: To provide an oral cleaning tool and a coated wire for the oral cleaning tool, capable of highly efficiently removing food residues between teeth and dental plaque and being useful for cleaning and polishing the tongue.SOLUTION: Oral cleaning tools (1a, 1b, and 1c) attached to a handle (2) and including coated wires (3a, 3b, and 3c), each of the coated wires (3a, 3b, and 3c) includes a core wire and a sheath yarn for covering the core wire, where the core wire is a metallic line, the sheath yarn is a fiber yarn, and the sheath yarn is tightened by the core wire to be integrated. The coated wire for the oral cleaning tool includes a core wire, and a sheath yarn for covering the core wire, where the core wire is a metallic line, the sheath yarn is a fiber yarn, and the sheath yarn is tightened by the core wire to be integrated. The sheath yarn is, for example, a square braided cord.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】歯間の食物残渣や歯垢等を効率よく除去でき、舌の清掃、舌磨きにも有用な口中清掃具及び口中清掃具用被覆線材を提供する。【解決手段】柄(2)に取り付けられた被覆線材(3a,3b,3c)を含む口中清掃具(1a,1b,1c)であって、被覆線材(3a,3b,3c)は、芯線と前記芯線を被覆する皮糸を含み、前記芯線は金属線であり、皮糸は繊維糸であり、前記皮糸は芯線に締め付けられて一体化している。この口中清掃具用被覆線材は、芯線と前記芯線を被覆する皮糸を含み、前記芯線は金属線であり、皮糸は繊維糸であり、前記皮糸は芯線に締め付けられて一体化している。皮糸は一例として角打ち組紐である。【選択図】図1