PROBLEM TO BE SOLVED: To provide an interdental floss capable of solving the deflection of a floss part easily, irrespective of the region of teeth, the position of an interproximal contact point and the direction to touch the interproximal contact point when inserting the floss part into the interproximal contact point.SOLUTION: The invention has a grip part 11, first and second arm parts 12A and 12B (a pair of arm parts) extending from a tip 11x of the grip part 11 and a floss part 14 which is stretched between tips 13A and 13B of the first and second arm parts 12A and 12B. In the first and second arm parts 12A and 12B, ends 18A and 18B are fixed to the first and second arm parts 12A and 12B, respectively and an operation part 21 is attached to expand a space between the tips 13A and 13B by pressing extension parts 15A and 15B extending from the ends 18A and 18B, respectively.COPYRIGHT: (C)2014,JPO&INPIT【課題】フロス部を歯間接触点に挿入する際に、歯の部位や歯間接触点の位置及び歯間接触点に当てる方向によらず、フロス部のたわみを容易に解消可能な歯間フロスを提供する。【解決手段】把持部11と、把持部11の先端11xに連設された一及び二のアーム部12A,12B(一対のアーム部)と、一及び二のアーム部12A,12Bの先端部13A,13Bの間に張設されたフロス部14とを備え、一及び二のアーム部12A,12Bには、それぞれ端部18A,18Bが一及び二のアーム部12A,12Bに固定され、それぞれの端部18A,18Bから伸びる延出部15A,15Bを押圧して先端部13A,13Bの間を拡開させる操作部21が設けられている。【選択図】図1
