Patent ID: 7004662

Claim:
A toothbrush assembly comprising: a hollow cartridge having an open upper end, a closed lower end, an internal storage area for receiving a quantity of dentifrice, and a piston slidably mounted in said storage area; a canister having an open lower end and a hollow interior receiving said cartridge; a brush head stem having a brush head and being attached to said canister, a passage extending through said stem connecting at least one aperture formed in said brush head with said storage area; a normally closed valve cooperating with said passage for controlling a flow of dentifrice from said storage area to said at least one aperture in said brush head; and an actuator positioned in said open upper end of said cartridge and applying a force to said piston whereby when dentifrice is present in said storage area and said valve is opened, said actuator moves said piston to force a quantity of the dentifrice to flow from said storage area and through said passage to said at least one aperture in said brush head.