Plaque Banish helps promote and maintain dental hygiene for your dog or cat. Plaque or tartar build up in your pet's mouth can be the cause of smell, bacteria and gum diseases, which in turn, can cause your pet a great deal of discomfort. Plaque Banish provides an easy solution to combat all of these unwanted hygiene matters. The product is long lasting, and provides 100 days of use, depending on the size of your dog.