Formulations for preventing, retarding the advance of, or treating periodontal disease or malodor in a canine, methods for the preparation of these formulations, as well as related methods for their use. In one embodiment, the inventive formulation is an aqueous solution or dispersion comprising, consisting essentially of, or consisting of, a hypobromite salt, a chlorite salt, hyaluronan, water, and a pH adjusting agent, as well as one more optional components and/or ingredients, wherein the formulation has a pH of from about 6 to about 9.