As a starting point, most adults and very many children have gum disease, and whilst this sounds awful, and let’s face it gum disease is very widespread; indeed were it chicken influenza it could rightly be called a disease of pandemic proportions
Having said that, and realising a comment like that is likely to panic some, it should be made very clear that a very large number of people have gum disease that is minor, and totally reversible with the correct care and attention