Periodontal disease prevalence in different age groups in Japan as assessed according to the CPITN

H. Miyazaki, N. Hanada, M. I. Andoh, Yoshihisa Yamashita, T. Saito, A. Sogame, K. Goto, R. Shirahama, T. Takehara

Research output: Contribution to journalArticle

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Abstract

Abstract A CPITN survey was conducted involving 12832 Japanese subjects from 7 to 64 years of age. Subjects under 18 were schoolchildren, and 18‐year‐old and older subjects represented various social backgrounds, having been randomly selected from both urban and rural Japan. Fifty percent of the 7‐yr‐old children had signs of periodontal disease, and this percentage increased with increasing age. In those under 14, this increase in periodontal disease was mainly due to an increase in the proportion of children developing dental calculus. Subjects with 6 mm or deeper pockets were observed starting from the 20‐29‐yr‐old age group. In subjects over this age, the prevalence of periodontal disease was higher in men than in women. The percentages of subjects having pathologic pockets had increased remarkably in the 30‐44‐yr‐olds. In the 45–64‐yr‐old group, almost all subjects had some sign of periodontal disease, and the percentage of those with 4 or 5 mm pockets and 6 mm or deeper pockets were 37% and 21%, respectively

Original languageEnglish
Pages (from-to)71-74
Number of pages4
JournalCommunity Dentistry and Oral Epidemiology
Volume17
Issue number2
DOIs
Publication statusPublished - Jan 1 1989
Externally publishedYes

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Periodontal Index
Periodontal Diseases
Japan
Age Groups
Dental Calculus

All Science Journal Classification (ASJC) codes

  • Dentistry(all)
  • Public Health, Environmental and Occupational Health

Cite this

Periodontal disease prevalence in different age groups in Japan as assessed according to the CPITN. / Miyazaki, H.; Hanada, N.; Andoh, M. I.; Yamashita, Yoshihisa; Saito, T.; Sogame, A.; Goto, K.; Shirahama, R.; Takehara, T.

In: Community Dentistry and Oral Epidemiology, Vol. 17, No. 2, 01.01.1989, p. 71-74.

Research output: Contribution to journalArticle

Miyazaki, H. ; Hanada, N. ; Andoh, M. I. ; Yamashita, Yoshihisa ; Saito, T. ; Sogame, A. ; Goto, K. ; Shirahama, R. ; Takehara, T. / Periodontal disease prevalence in different age groups in Japan as assessed according to the CPITN. In: Community Dentistry and Oral Epidemiology. 1989 ; Vol. 17, No. 2. pp. 71-74.
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