PROBLEM TO BE SOLVED: To provide a user-friendly tooth polishing instrument excellent in operability, for highly efficiently removing stains such as yellowing and tar stuck to tooth surfaces that are difficult to be removed by a normal toothbrush.SOLUTION: The tooth polishing instrument is composed of a holding part, a support part extended from the holding part and a tooth polishing member attached to the support part. The tooth polishing member is composed of compressed melamine foam whose ratio of the number of partition walls of a surface in parallel with a polishing surface and the number of the partition walls of the surface in a direction vertical to the polishing surface is 1/3 to 1/5.COPYRIGHT: (C)2007,JPO&INPIT【課題】通常の歯ブラシによっては除去が困難な歯面に付着した黄ばみ、ヤニ等の汚れの除去効率の高い、また、操作性がよく使い勝手のよい歯研磨器具を提供することを目的とする。【解決手段】本発明に係る歯研磨器具は、把持部、該把持部から延在する支持部、該支持部に取り付けられる歯磨部材からなる歯研磨器具であって、前記歯磨部材は、磨面と平行な面の隔壁数と該磨面に垂直方向の面の隔壁数との比が1/3~1/5である圧縮メラミンフォームからなる。【選択図】図8
