Polishes teeth and helps freshen breath with natural enzymes that help prevent plaque and tartar buildup that can lead to gum irritation and tooth loss. Chicken-flavored toothpaste tastes great to dogs. Glucose Oxidase helps kill bacteria and break down plaque. Hydrated Silica helps remove plaque. Sodium Benzoate keeps toothpaste free from microorganisms. Sorbitol prevents toothpaste from drying out.