It’s normal to have bacteria in your mouth. But harmful bacteria have been linked to a host of health problems. Medical scientist Glenda Davison and microbiologist Yvonne Prince, who have researched the oral cavity, explain why it’s so important to practise good oral hygiene.
Can poor oral hygiene lead to serious diseases? Why and how?
Abnormal bacterial communities in the oral cavity have been linked to liver disease, renal failure, cancers, heart disease and hypertension.
