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   bacteria      burial      dentists      more      mouthwash      now      oral      population      reason      report      risk      signs      skulls      smoking      study      surprised      today      university      west      worse  
A new shows that people today have gum disease than people living 2,000 years ago. The study is from the King's College in London and is published in the 'British Dental Journal'. Researchers looked at the teeth in the of 303 people who lived between 200-400 AD (2,200-2,400 years ago). The skulls were found at an old site in the of England. The researchers found that only 5 per cent of the skulls showed of gum disease. Up to 30 per cent of people in England have gum disease. Professor Francis Hughes was by what he found. He said people did not have toothbrushes or toothpaste back then and did not visit , like we do today.

The main why modern people have more gum disease is . Theya Molleson, co-author of the , said the study shows that people's health has become much over the past 2,000 years. She added that she thinks gum disease could start going down from as more people stop smoking. She said: "As smoking declines in the , we should see a decline in the [numbers of people with] the disease." Gum disease happens when build up in your mouth. The bacteria eat away at your gums and can make your teeth fall out. People can reduce the of gum disease by regular brushing, using and not smoking.

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