TOOTHBRUSH WITH IMPROVED CLEANING AND ABRASION EFFICIENCY

摘要

A toothbrush having a plurality of bristles (12) of synthetic thermoplastic polymeric composition. The bristles (12) having a plurality of channels (13) therein extending along the length thereof. The channels (13) having a depth sufficient to entrap a quantity of toothpaste abrasive, wherein the cleaning and abrasion contact between the quantity of abrasive entrapped in the channels (13) and the surfaces of the teeth is improved during brushing.