Patent ID: 7954191

Claim:
A toothbrush, comprising: a head including a plurality of cleaning elements: the plurality of cleaning elements including at least two sets of cleaning elements generally aligned on an axis of the head, each set of cleaning elements having: a closed ring of bristles formed about a center point, the ring of bristles spaced from and surrounding a central cleaning element located at the center point of the closed ring; the central cleaning element being a circular cluster of densely packed bristles having a free end that is contoured to define a cup-shaped area; and wherein the central cleaning element and the closed ring are spaced from one another to form a holding area enclosed within the closed ring; and wherein the holding and cup-shaped areas are for retention of an oral care substance to be applied to the plurality of cleaning elements; wherein at least one of the closed ring of bristles and the central cleaning element is mounted on a platform having a base with a slot formed in the underside thereof, the slot having sides, the toothbrush further comprising a drive shaft having an axis, the drive shaft further having an offset positioned within the slot such that when the drive shaft is oscillated about its axis the offset engages the sides of the slot to impart an oscillatory motion to the platform.