Oral Hygiene Kit with Dual Action Toothbrush Four Paws new dual action toothbrush is designed to fit the contours of cats' teeth. Nylon bristles form soft tips to clean between teeth and remove food particles that lead to bad breath, plaque and tartar build-up. Outer rubber massagers clean gums and helps prevent periodontal disease. Kit comes complete with a 2.5 oz. tube of Pet Dental Toothpaste, one finger brush and one Dual Action Toothbrush.