An oral care system comprising: a toothbrush; and a dispenser (300, 300c) detachably coupled to the toothbrush, the dispenser (300, 300c) comprising: a housing (301, 301c) forming an internal cavity extending along a longitudinal axis (B-B); an elevator (308, 308c) disposed within the internal cavity that hermetically separates the internal cavity into a reservoir (317, 317c) for containing a fluid and a chamber, the elevator (308, 308c) being non-rotatable with respect to the housing (301, 301c); a dispensing orifice in the housing (301, 301c) for dispensing the fluid from the reservoir (317, 317c); an actuator (303, 303c); a drive screw (311, 311c) in the chamber and operably coupled to the actuator (303, 303c); and an extension member (307, 307c) having a first end coupled to the elevator (308, 308c) and a second end threadily coupled to the drive screw (311, 311c), the extension member (307, 307c) being non-rotatable with respect to the housing (301, 301c); wherein the elevator (308, 308c) comprises an outer surface forming an end wall of the reservoir (317, 317c), an inner surface forming an end wall of the chamber, a base portion (372, 372c) and a plug portion (373, 373c) extending axially from the base portion (372, 372c) along the longitudinal axis (B-B) toward the dispensing orifice, the plug portion comprising an internal cavity having a closed top end and an open bottom end; wherein the drive screw (311, 311c) and the actuator (303, 303c) are rotatable with respect to the housing (301, 301c), and wherein the drive screw (311, 311c) does not penetrate through the outer surface of the elevator (308, 308c) into the reservoir (317, 317c); wherein the elevator (308, 308c) further comprises an annular groove formed in the inner surface, the annular groove surrounding the open bottom end of the internal cavity, and the first end of the extension member (307, 307c) and a flange of the first end of the extension member (307, 307c) being disposed within the annular groove; and wherein rotation of the actuator (303, 303c) causes the elevator (308, 308c) to axially advance along the drive screw (311, 311c) in a first axial direction due to relative rotation between the drive screw (311, 311c) and the extension member (307, 307c). a housing (301, 301c) forming an internal cavity extending along a longitudinal axis (B-B); an elevator (308, 308c) disposed within the internal cavity that hermetically separates the internal cavity into a reservoir (317, 317c) for containing a fluid and a chamber, the elevator (308, 308c) being non-rotatable with respect to the housing (301, 301c); a dispensing orifice in the housing (301, 301c) for dispensing the fluid from the reservoir (317, 317c); an actuator (303, 303c); a drive screw (311, 311c) in the chamber and operably coupled to the actuator (303, 303c); and an extension member (307, 307c) having a first end coupled to the elevator (308, 308c) and a second end threadily coupled to the drive screw (311, 311c), the extension member (307, 307c) being non-rotatable with respect to the housing (301, 301c); wherein the elevator (308, 308c) comprises an outer surface forming an end wall of the reservoir (317, 317c), an inner surface forming an end wall of the chamber, a base portion (372, 372c) and a plug portion (373, 373c) extending axially from the base portion (372, 372c) along the longitudinal axis (B-B) toward the dispensing orifice, the plug portion comprising an internal cavity having a closed top end and an open bottom end; wherein the drive screw (311, 311c) and the actuator (303, 303c) are rotatable with respect to the housing (301, 301c), and wherein the drive screw (311, 311c) does not penetrate through the outer surface of the elevator (308, 308c) into the reservoir (317, 317c); wherein the elevator (308, 308c) further comprises an annular groove formed in the inner surface, the annular groove surrounding the open bottom end of the internal cavity, and the first end of the extension member (307, 307c) and a flange of the first end of the extension member (307, 307c) being disposed within the annular groove; and wherein rotation of the actuator (303, 303c) causes the elevator (308, 308c) to axially advance along the drive screw (311, 311c) in a first axial direction due to relative rotation between the drive screw (311, 311c) and the extension member (307, 307c).