title: [Oral health survey of elder people in northeast of China].
abstract: OBJECTIVE
  To assess the oral health status of the 65-74 years old people in the northeast of China, analyze the distribution of caries and periodontal diseases in this group of people, and provide scientific basis for establishing oral health care policies.
  
  
  METHODS
  The representative samples were selected by multi-stage, stratified and random sampling from the three provinces of northeast of China. The diagnostic standard of dental caries and periodontal diseases were based on WHO criteria. SPSS 12.0 software package was used to analyze the data.
  
  
  RESULTS
  Among 2364 people aged 65-74 years, the prevalence of dental caries was 67.5% and DFT was 2.68, and the data in urban was higher than in rural. The prevalence rate of periodontal disorders, such as health, gingival bleeding, dental calculus, periodontal pockets, loss of attachment was respectively 15.4%,72.0%,86.6%,58.0% and 60.1%, the prevalence rate of Heilongjiang and Liaoning province was lower than that of Jilin Province.
  
  
  CONCLUSIONS
  Dental caries and periodontal diseases were the common diseases in northeast of China, systematic community based oral health promotion should be strengthened and preventive-oriented oral health care systems are needed in the northeast of China.
authors.affiliation: Department of Preventive Dentistry, China Medical University, Shenyang 110002, China. zhangyingcmu@126.com
authors.forename: Ying
authors.initials: Y
authors.lastname: Zhang
authors.forename: Min
authors.initials: M
authors.lastname: Cheng
authors.forename: Yan
authors.initials: Y
authors.lastname: Li
authors.forename: Rui-bo
authors.initials: RB
authors.lastname: Cheng
authors.forename: Lu
authors.initials: L
authors.lastname: Liu
mesh_terms: D000369:Aged, 80 and over; D002681:China / Q000453:epidemiology; D003728:Dental Calculus; D003731:Dental Caries / Q000453:epidemiology*; D005884:Gingival Hemorrhage; D006306:Health Surveys; D006801:Humans; D010510:Periodontal Diseases / Q000453:epidemiology*; D015995:Prevalence