Patent ID: 7707677

Claim:
A toothbrush comprising a handle, a head mounted to said handle, said head having a longitudinal axis, a spine extending collinear with said longitudinal axis dividing said head into a pair of side by side longitudinal sections connected to said spine, said spine being confined to said head, a plurality of cleaning elements on each of said sections extending outwardly from said sections in a direction away from said longitudinal axis, and said spine forming a hinge axis made of a resilient material to comprise a spring-like hinge whereby said sections may pivot from and to an original position; wherein each of said side by side sections includes an inner set of cleaning elements and an outer set of cleaning elements; wherein said outer sets of cleaning elements are plaque bristles mounted in a single row; wherein said inner sets of cleaning elements are IMT bristles; and wherein said IMT bristles of each inner set are mounted in an IMT container extending toward the distal end of said head, and said plaque bristles of each outer set are mounted in a bristle container disposed along side of and connected to said IMT container for each of said sections, said IMT containers extending further from said handle than said bristle containers, and a side plate longitudinally abutting each of said bristle containers and disposed against said IMT containers for the remaining length of said IMT containers on each of said sections to create a smooth continuous outer side surface of said head at each of said sections.