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Periodontal disease prevalence in different age groups in Japan as assessed according to the CPITN. 1989

H Miyazaki, and N Hanada, and M I Andoh, and Y Yamashita, and T Saito, and A Sogame, and K Goto, and R Shirahama, and T Takehara
Department of Preventive Dentistry, Kyushu Dental College, Kitakyushu, Japan.

A CPITN survey was conducted involving 12,832 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.

UI MeSH Term Description Entries
D007564 Japan A country in eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula. The capital is Tokyo. Bonin Islands
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010510 Periodontal Diseases Pathological processes involving the PERIODONTIUM including the gum (GINGIVA), the alveolar bone (ALVEOLAR PROCESS), the DENTAL CEMENTUM, and the PERIODONTAL LIGAMENT. Parodontosis,Pyorrhea Alveolaris,Disease, Periodontal,Diseases, Periodontal,Parodontoses,Periodontal Disease
D010512 Periodontal Index A numerical rating scale for classifying the periodontal status of a person or population with a single figure which takes into consideration prevalence as well as severity of the condition. It is based upon probe measurement of periodontal pockets and on gingival tissue status. Bleeding on Probing, Gingival,CPITN,Community Periodontal Index of Treatment Needs,Gingival Bleeding on Probing,Gingival Index,Gingival Indexes,Periodontal Indexes,Gingival Indices,Index, Gingival,Index, Periodontal,Indexes, Gingival,Indexes, Periodontal,Indices, Gingival,Indices, Periodontal,Periodontal Indices
D010514 Periodontal Pocket An abnormal extension of a gingival sulcus accompanied by the apical migration of the epithelial attachment and bone resorption. Pocket, Periodontal,Periodontal Pockets,Pockets, Periodontal
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D003430 Cross-Sectional Studies Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time. Disease Frequency Surveys,Prevalence Studies,Analysis, Cross-Sectional,Cross Sectional Analysis,Cross-Sectional Survey,Surveys, Disease Frequency,Analyses, Cross Sectional,Analyses, Cross-Sectional,Analysis, Cross Sectional,Cross Sectional Analyses,Cross Sectional Studies,Cross Sectional Survey,Cross-Sectional Analyses,Cross-Sectional Analysis,Cross-Sectional Study,Cross-Sectional Surveys,Disease Frequency Survey,Prevalence Study,Studies, Cross-Sectional,Studies, Prevalence,Study, Cross-Sectional,Study, Prevalence,Survey, Cross-Sectional,Survey, Disease Frequency,Surveys, Cross-Sectional
D003728 Dental Calculus Abnormal concretion or calcified deposit that forms around the teeth or dental prostheses. Tartar,Calculus, Dental
D005260 Female Females

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