A composition for measurably improving oral health, a system including the composition, a method of using the composition and system, and a method of forming the composition and system are disclosed. The composition is a gel that maintains contact with a portion of an oral cavity for an extended period of time to, for example, prevent or reduce plaque and calculus buildup. The system includes a composition and a container encapsulating the composition. The composition is applied by rupturing the container and applying the composition through the ruptured portion of the container. In exemplary embodiments, the methods, systems and kits disclosed herein are suitable for measurably reducing an amount of gingivitis, periodontitis, bleeding, plaque and/or tartar.