title: [The dental caries prevalence of primary teeth in 789 five-year-old children in Shanghai].
abstract: OBJECTIVE
  The aim of this study was to observe the change of the prevalence of five-year-old children's dental caries for 10 years in Shanghai and to establish a related policy to provide a basis for the government.
  
  
  METHODS
  The sampling method was multi-stage, stratified, adqulis capacity and whole flock in this study. The method of third national survey for oral health was used. The data of prevalence of dental caries, dmft and relative component were collected and were compared with the data of the second survey in 1995.
  
  
  RESULTS
  The prevalence of dental caries, dmft, caries filling constitutent ratio of 5-year-old children in 2005 was 71.74%, 4.17, 7.70%, respectively, and denscend 6.54%, 0.59, 1.12% compare with the data in 1995. There was significant difference between them (P<0.01).
  
  
  CONCLUSIONS
  The results showed the descend trend of prevalence of dental caries in 5-year-old children in Shanghai and the oral health condition had an obvious improvement. However, caries filling constitutent ratio was decreases. Therefore, it is very important to strengthen the public oral health care service for children.
authors.affiliation: Department of Preventive Dentistry, Shanghai Municipal Hospital for Oral Health, Shanghai 200001, China.
authors.forename: Cun-Rong
authors.initials: CR
authors.lastname: Li
authors.forename: Qing-Ping
authors.initials: QP
authors.lastname: Shen
mesh_terms: D002648:Child; D002675:Child, Preschool; D002681:China; D004245:DMF Index; D003731:Dental Caries; D005260:Female; D006801:Humans; D008297:Male; D009909:Oral Health; D015995:Prevalence; D014094:Tooth, Deciduous