Patent ID: 10874205

Abstract:
A head for an oral care implement has an outer rim and an inner portion and comprises at least one tooth cleaning element of a first type and at least one tooth cleaning element of a second type. The at least one tooth cleaning element of the first type is arranged at the inner portion of the head, and the at least one tooth cleaning element of the second type is arranged at the outer rim of the head. The at least one tooth cleaning element of the first type is a tuft of a first type comprising a plurality of filaments. Each filament has a longitudinal axis and a substantially cross-shaped cross-sectional area extending in a plane substantially perpendicular to the longitudinal axis. The cross-shaped cross-sectional area has four projections and four channels, the projections and channels being arranged in an alternating manner. The at least one tuft of the first type has a packing factor within a range from about 40% to about 55%, preferably from about 45% to about 50%.