Petrodex Enzymatic Toothpaste: Hydrogen peroxide-producing formula. Helps clean teeth and fights bad breath. Formulated specifically for pets. Does not foam - no need to rince. Petrodex Toothbrush: Developed by a veterinarian. Ultra-soft bristles for gentle application. Denat care is as important for your pet as it is for you. Dry food and chew toys help clean some of your pets teeth, but they dont replace brushing at the gumline where most dental problems begin.