OraVet is a great-tasting dental chew that not only cleans teeth, they create a barrier against plaque, calculus and bad breath. From the makers of FRONTLINE® Plus and HEARTGARD® Plus. Plaque and calculus problems are common in dogs. They often start when bacteria attach to teeth forming plaque. Plaque and calculus are common problems in dogs. Bacteria can lead to bad breath and attaches to teeth forming plaque, which then hardens to form calculus. The dual-action approach of OraVet Chews doesn't just clea n teeth and freshen breath. It creates a barrier to protect against plaque, calculus, and bad breath. CLEANS: The chewing action works to loosen and dislodge plaque to help it break away from teeth. PROTECTS: Then OraVet Chews form a barrier to help protect against the bacteria that leads to plaque and calculus buildup for a cleaner mouth and fresher breath. Each box contains 30 chews, or a 30-day supply. Administer one chew per day. Buy a 3-month supply and save! Also available in 14-count packages.