The invention provides an oral care system comprising a gel in a pen dispenser, the dispenser comprising a chamber which permits dispensing of a measured amount of the gel, wherein the gel exhibits a Herschel-Bulkley yield stress of 10 to 230 dynes/cm2, a Herschel-Bulkley viscosity of 3 to 500 poise, and a Herschel-Bulkley rate index of 0.4 to 0.6, the specific viscosity permitting efficient application of the gel, as well as methods of using the same.本發明提供一種口腔保健系統,包含一於一筆形施配器中之凝膠,該施配器包含一容許施配一測定量的凝膠之腔室,其中該凝膠展現一Herschel-Bulkley降伏應力為10至230dynes/cm2,一Herschel-Bulkley黏度為3至500泊,及一Herschel-Bulkley速率指數為0.4至0.6,該比黏度容許有效施塗該凝膠;以及,提供一種使用該系統之方法。