What is the periodontitis?
Periodontitis is an advanced stage of gingivitis and other tissues, which hold the tooth in a particular place. It is a bacterial infection, which long time progresses unnoticed.
Besides gums, periodontitis destroys filaments, which connects surface of root with gum and also bone, that guarantees stability of tooth. The whole system is affected during periodontitis, and therefore periodontitis often ends up with losing teeth.