| 摘要 |
A toothbrush is provided to brush molars by interposing an elastic sponge plate between a thin plate surface of a toothbrush grip and a flexible tube and deforming the elastic sponge plate correspondently to the shape of the uneven teeth and to extend the life time by keeping the brush straight all the time. In the toothbrush, an elastic sponge plate(4) is shaped same as a thin plate surface(3) of a sill(2) formed at the front side of a toothbrush grip(1) and overlapped on the plate surface. A rectangular flexible tube(6) attached with a brush(5) on one surface is fitted to the surface of the elastic sponge plate with disposing the surface of the brush on the upper side of the elastic sponge plate. |
