The World Health Organization (WHO) says that 10-15% of the world's population are suffering from severe periodontal disease. (Currently 700 million to 1 billion people.)
Reference:
World Health Organization: Global Oral Health Data Bank, Geneva: WHO, 2002
Hans Skariah, B.Sc., DMD
Promenade Court Dental Health Group in Mississauga
2233 Hurontario St., Mississauga, ON, Canada
(1/2 km north of the QEW in the Dome Building)
(905) 273-7100