An oral care system comprising an oral care implement, such as a toothbrush, and dispenser containing a fluid detachably coupled to the tooth-brush. The invention is an oral care system comprising: a toothbrush having a cavity; a dispenser comprising a reservoir containing a fluid; a cap detachably coupled to the dispenser; wherein when the cap is coupled to the dispenser, the cap prohibits the dispenser from being inserted into the cavity; and wherein when the cap is detached from the dispenser, the dispenser can be inserted into the cavity and detachably coupled to the toothbrush.