Royal Canin Dental Small Dogs is specially formulated to help support and manage oral hygiene in small breed dogs. This formula helps to reduce the formation and build-up of tartar. The shape and size of the kibble support grasping of the food, as well as tooth penetration into it. This helps to create a brushing effect, which helps in reducing the accumulation of plaque and tartar. Urine dilution makes the urine less liable to form urinary crystals. Dental Small Dogs is a complete and balanced diet that is specially formulated to help support and manage oral hygiene in small breed dogs