US Patent 8727652 Oral care system, kit and method

An oral care system, such as a toothbrush having a detachable dispenser containing an oral care material. In one embodiment, the dispenser may include a housing; an internal reservoir for containing a fluid and a dispensing orifice for dispensing the fluid; a first cam surface, the first cam surface being non-rotatable with respect to the housing; a reciprocator comprising an actuator, a drive screw, and a second cam surface, the reciprocator being rotatable with respect to the housing; an elevator forming a transverse end wall of the reservoir, the elevator being non-rotatable with respect to the housing and threadily coupled to the drive screw; wherein rotation of the actuator causes the elevator to (1) axially advance, and (2) axially reciprocate.