Patent ID: 6957469

Claim:
A toothbrush comprising a handle and a head for improved cleaning to the interdental regions of the teeth, said head comprising a linear arrangement of bristles placed on only one face of said brush head and positioned transverse to the general longitudinal axis of the brush and extending along a length equal to or greater than a third of the width of the toothbrush head at the location of the arrangement, characterized in that a portion of the bristles at either end of the arrangement are angled away from the vertical such that the arrangement presents a fan-shaped transverse brushing array, said head containing additional bristles placed only on said one face and spaced from said fan-shaped transverse brushing array, said bristles of said fan-shaped array extending farther from said brush head than said additional bristles extend from said brush head and wherein said bristles of said fan-shaped array defining a continuous wall of bristles with an uninterupted arcuate brushing edge along the length of the array.