Dozer's Dental Chews: our shape encourages chewing. As the bristles and chewed pieces work their way between the teeth and gums. Dozer's cleans and polishes teeth and fights the build up of plaque and tartar. All Natural- Just as artificial ingredients are bad for you, so to are they bad for your pets. wholesome ingredients that work to combine flavor and design into a healthy treat for your best friend. Size Guidelines, for most effective results and the safety of your dog, always use the chart shown below to find the appropriate size Dozer's chew for your pooch.