Patent ID: 8020244

Claim:
A toothbrush comprising: a stem member; a toothbrush head attached to one end of the stem member; and a toothbrush base provided with a plurality of brush bundles; wherein said toothbrush base is made from an elastic material and formed into a semispherical configuration and is attachable to and detachable from the toothbrush head, and when the said toothbrush base is attached to the toothbrush head, top and bottom surfaces of the toothbrush base are exposed when viewing the toothbrush head from positions perpendicular to top and bottom sides of the toothbrush head, wherein the plurality of brush bundles is secured to the toothbrush base perpendicularly with respect to the toothbrush head, the toothbrush further comprising: an annular member disposed in an concave-shaped annular slit of the toothbrush head, wherein the toothbrush base is attachable to the toothbrush head via the annular member, wherein the toothbrush head is formed with a hole penetrating from the top to the bottom of the toothbrush head, and wherein the concave-shaped annular slit is formed in an outside circular portion of the toothbrush head and an internal diameter of the bottom portion of the toothbrush base is slightly smaller than an external diameter of the slit, and the toothbrush base is engaged with the slit of the toothbrush head.