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</html><thumbnail_url>https://alldental.bg/wp-content/uploads/2019/08/&#x43F;&#x430;&#x440;&#x43E;&#x434;&#x43E;&#x43D;&#x442;&#x438;&#x442;-cover-800x400-1.jpg</thumbnail_url><thumbnail_width>800</thumbnail_width><thumbnail_height>400</thumbnail_height><description>Periodontitis is an infection of the tissues that support the teeth (ligaments and bones). Plaque and tartar build up at the base of the tooth, pulling the gum away. This leads to infection. The symptoms are: Periodontitis is the main cause of tooth loss in adults. Approximately 15% in the 21-50 age group and over [&hellip;]</description></oembed>
