TOOTH BRUSH Russian patent published in 2009 - IPC A46B9/06 

FIELD: personal demand items.

SUBSTANCE: tooth brush consists of a handle and a head fixed on the handle. The head has a free end in the part which is located at maximum distance from the handle, and side edges. The first group of bristle tufts is located near the free end of the head and includes the bristles that contain the substance decreasing friction. The second group of bristle tufts is located along internal part of the head and includes texturised bristles. The third group of bristle tufts is located near side edges and includes non-texturised bristles.

EFFECT: invention provides improvement of tooth cleaning quality.

4 cl, 6 dwg