Periodontal disease is the most common condition in older dogs & cats. Within the first few years most pets begin to show signs of periodontal disease. It is important to try and prevent this from occurring as it can lead to other more serious conditions once it makes it's way into the blood stream. OraVet by Merial Animal Health is a great product and one of the ways to prevent periodontal disease from occurring. Individual results may vary. This product is not intended to diagnose, treat, cure or prevent any disease.