Current president Barack Obama ranks 21st in wealth. The figures in the table below are all from 24/7 Wall St.'s 2010 valuation of each president's peak net worth, except for the lower figure for John F. Kennedy, which comes from the Christian Science Monitor.any of these early presidents were landowners, and some of them owned plantations, including their own slaves. At the time of his death, Washingtonâs land, slaves, house, horses and personal belongings were worth about $525,000, estimated to be the equivalent of $1 billion today.
Periodontitis is caused by microorganisms that adhere to and grow on the tooth's surfaces, along with an over-aggressive immune response against these microorganisms.he 1999 classification system for periodontal diseases and conditions listed seven major categories of periodontal diseases, of which 2-6 are termed destructive periodontal disease because the damage is essentially irreversible. The seven categories are as follows: 1  Gingivitis.
Plaque is the primary cause of gum disease. However, other factors can contribute to periodontal disease. These include: 1  Hormonal changes, such as those occurring during pregnancy, puberty, menopause, and monthly menstruation, make gums more sensitive, which makes it easier for gingivitis to develop. Illnesses may affect the condition of your gums. 2  This includes diseases such as cancer or HIV that interfere with the immune system. 3  Because diabetes affects the body's ability to use blood sugar, patients with this disease are at higher risk of developing infections, including periodontal disease and cavities.