What is gum disease? Gum disease, or periodontal disease, is a severe oral infection that causes tooth and bone loss. Although it starts out as simple gingivitis, periodontal disease can have a permanent impact on your smile’s future. Dr. Johnson and Dr. Irwin are focused on providing preventive dental care and guidance for all patients – especially kids. When your son or daughter starts off with a healthy smile, they are able to carry it well into adulthood. Call 360-799-5348 soon to schedule an appointment with our dentists and to learn more about periodontics in Monroe, Washington.