The Niigata University Graduate School of Medical and Dental Sciences in Japan maintains the periodontal component of the WHO oral health data bank. Updated periodontal information is now available.

An overview of CPI (Community Periodontal Index) data in the WHO global oral health data bank for the age groups 15-19 years, 35-44 years and 65-74 years is located at Niigata University, Japan.

The scores of the CPI index are the following:

· Score 0: health periodontal conditions
· Score 1: gingival bleedings
· Score 2: calculus and bleeding
· Score 3: shallow periodontal pockets (4 to 5 millimetres)
· Score 4: deep periodontal pockets (6 millimetres or more)

The information of periodontal country profiles has been recently updated. The updated countries and age groups are as follows:

· Argentina: 34-45
· Australia: 65+
· Belarus: 15, 18, 35-44
· Brazil: 15-17
· Bulgaria: 65-74
· Chile: 15-19
· Croatia: 15-19, 35-44, 65+
· Greece: 35-44
· Hungary: 35-44, 65-74
· Iran: 15-19, 35-44
· Israeli: 35-44
· Italy: 65+
· Japan: 15-19, 35-44, 65-74
· Nepal: 15-16
· New Zealand: 35-44, 65-74
· Norway: 35
· Philippines: 15-19
· Poland: 35-44, 65-74
· Romania: 15-19
· Saudi Arabia: 16-19, 65+
· Slovenia: 65+
· Sri lanka: 15, 35-44, 65-74
· Tanzania: 15-19, 35-44, 65-74
· Thailand: 15, 35-44, 60-74