Knowledge center. Periodontitis means  inflammation around the tooth - it is a serious gum infection that damages the soft tissue and bone that supports the tooth. All periodontal diseases, including periodontitis, are infections which affect the periodontium.nowledge center. Periodontitis means  inflammation around the tooth - it is a serious gum infection that damages the soft tissue and bone that supports the tooth. All periodontal diseases, including periodontitis, are infections which affect the periodontium.
When you add a friend to your limited profile list on Facebook, he becomes unable to see content you've restricted from members of the list. The privacy settings Facebook rolled out in August 2011 restrict all content you post from members of the limited profile list.
Your profile picture helps people recognize you on Facebook. To add a profile picture or change your current profile picture: 1  Go to your profile and hover over your profile picture. 2  Click Update Profile Picture.o delete a profile picture: 1  Go to your profile and click your current profile picture. 2  Click through the album to find the picture you want to delete. 3  Click Options below the picture. 4  Select Delete This Photo from the dropdown menu.