A dispenser for dispensing a mixture of oral care materials. In one aspect, the invention can be a dispenser (400) comprising: a housing (410) having a first reservoir chamber (430) containing a first oral care material (431) and a second reservoir chamber (440) containing a second different oral care material (441); a mixing chamber (450) disposed in the housing, a mixing screw (470) disposed within the mixing chamber and having an actuator (471) for rotating the mixing screw; a first delivery port (434) for introducing the first oral care material into the mixing chamber and a second delivery port (444) for introducing the second oral care material into the mixing chamber; a dispensing nozzle (460) for dispensing a mixture of the first and second oral care materials; and wherein rotation of the mixing screw draws the first and second oral care materials into the mixing chamber and expels the mixture of the first and second oral care materials from the nozzle.