Nylabone Advanced Oral Care Finger Brush for Dog, 2 Count 80% of dogs suffer from periodontal disease by the age of 3 (Source: American Veterinary Dental Society) Preventative dental care reduces the risk of developing oral disease, which can lead to serious issues and establishing a daily routine of proper dental care may extend the life of your pet Over 45 million dogs in the US currently have oral disease, and this can lead to more serious, life-threatening ailments such as lung, heart and kidney disease. - Mike Connely, VP of Marketing for Nylabone