To provide a toothbrush allowing a replaceable brush unit to be removed using another replaceable brush unit.

The toothbrush 100 comprises the replaceable brush unit 30 detachable from a head part 22 of a toothbrush body 20, and the head part 22 comprises a unit receiving plate part 23 having at least a latching claw part F1. The replaceable brush unit 30 has a claw part F2projecting from the back face of a bristled base 31 bristled with brush bristles 32, and latched to the latching claw part F1, and a curved rising wall part 23g with which one end 31a in the longitudinal direction of the bristled base 31 can be engaged, on the grip part 21 side of the unit receiving plate part 23. The bristled base 31 has an attaching/detaching pin 31f projecting outward in the longitudinal direction from one end 31a through a constricted connection part 31e. The head part 22 has a through hole 23i formed on the grip part 21 side through a constricted groove part 23h dividing the rising wall part 23g, and fittable to the attaching/detaching pin 31f.

COPYRIGHT: (C)2008,JPO&INPIT