Patent ID: 8239996

Claim:
A brush head for a toothbrush, said brush head comprising: a grip part, a head part and a bristle surface with a plurality of bristle tufts inserted therein, each of the bristle tufts comprising a plurality of bristles, a first transverse row of rearwardly inclined bristle tufts with tapered bristles and a second transverse row of forwardly inclined bristle tufts with tapered bristles, the bristle tufts of the first and the second transverse rows forming a first double row of bristle tufts crossing over in an x-shaped manner; a second double row of bristle tufts crossing over in an x-shaped manner and arranged at a distance d xx from said first double row in the longitudinal direction of the bristle surface toward the head part; and a first middle transverse row of bristle tufts with non-tapered bristles projecting vertically out of the bristle surface and the non-tapered bristles having a uniform height h a , the first middle transverse row arranged at a distance d a from said first double row in the longitudinal direction of the bristle surface toward the head part.