Patent ID: 8635734

Claim:
A toothbrush, comprising: a handle, said handle having a longitudinal axis; a toothbrush head, said toothbrush head generally shaped to be accommodated along said longitudinal axis and fixedly attached to said handle, said toothbrush head comprising at least one non-circular socket; and a plurality of bristles having a first end and a second end, wherein said first end is attached to said toothbrush head, and said second end is defined by a distal end opposite to said first end, wherein said plurality of bristles are attached to said toothbrush head through said first end, wherein said bristles have a continuous elongated body, wherein at least one of said bristles has a non-circular cross-section extending for the entire length of said at least one bristle, wherein said non-circular cross-section is an elliptical cross section as viewed from said first end and said second end, wherein said non-circular cross-section comprises a major axis perpendicular to said longitudinal axis of said handle, wherein said bristle with said non-circular cross-section is configured to reduce brushing force in a horizontal forward and backward direction along said longitudinal axis of said handle, and increase said brushing force in a direction along said major axis, wherein at least one of said plurality of bristles are adapted to be accommodated in said at least one non-circular socket of said toothbrush head.