Prof Francis Hughes, from the dental institute at King's College London, told the BBC: "The amount of severe gum disease around today is around one third of the population.Share
"But much to our surprise these people didn't have a lot of gum disease, but they did have a lot of other dental problems."
He said the findings, published in the British Dental Journal, were evidence that gum disease was about far more than just brushing twice a day. Smoking is thought to increase the risk of gum disease fivefold. Type 2 diabetes also increases the risk. (Read more.)