It has never been easier to keep your dog's breath fresh than with Oravet Dog Dental Hygiene Chews. Containing a special ingredient called delmopinol, these dental chews will form a protective barrier against bacteria, thereby stopping buildup around the teeth and reducing plaque and tartar formation. This results in fresher breath and significantly reduced halitosis. Oravet Dog Dental Hygiene Chews is a simple 1 per day chew that is suitable for dogs over the age of 6 months.