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.
It's possible to adjust your privacy settings so they no longer see parts of your profile that you don't want them to comment on. 1  Click on Customize Settings from your privacy page and then for each aspect of your profile, select Customize from the dropdown menu. 2  Type the friend's name into Don't share this with. Be aware that they can still send you messages after being unfriended, unless you block them. 2  See How to Block People on Facebook. 3  Your friend will not be notified that you've hidden them on your feed, or locked them out of certain parts of your profile.