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Shanghai Kou Qiang Yi Xue. 2012 Aug;21(4):451-4.

[Analysis of caries status among 5-year-old children in Shanghai from 2008 to 2011].

[Article in Chinese]

Author information

1
Department of Preventive Dentistry, Shanghai Municipal Hospital of Oral Health, Shanghai 200001, China. licunrong16823@126.com

Abstract

PURPOSE:

To analyze the status of 5-year-old children's oral caries in Shanghai from 2008 to 2011, and to provide information to evaluate oral health status and improve service level.

METHODS:

By using equal-sized randomly sampling method, this survey was carried out on the caries status of randomly selected 950 children aged 5 years in Shanghai respectively in 2008 and 2009, and 900 children respectively in 2010 and 2011. The data of prevalence of dental caries, dmft, caries filling constituent ratio and SiC index were collected. Statistical analysis was performed using SPSS 13.0 software package by means of independent-samples t test, one way ANOVA and Chi-square test.

RESULTS:

From 2008 to 2011, the prevalence of deciduous tooth caries among 5-year-old children was 63.47%, 64.00%, 64.89% and 64.44%, respectively. The mean dmft score was 2.96, 2.99, 3.23 and 3.09, respectively. The caries filling ratio was 10.93%, 12.76%, 16.96% and 20.63%, respectively. The SiC index was 7.10, 7.20, 7.74 and 7.37, respectively. The prevalence of caries and mean dmft showed no significant difference in four years(P>0.05), and the caries filling constituent ratio was remarkably increased (P<0.01). The SiC index was two times higher than dmft. Each year the prevalence of deciduous tooth caries and mean dmft in urban areas were lower than in suburban areas (P<0.01), but the children came from urban areas showed significant higher filling rate than those from suburban areas (P<0.01). Deciduous tooth caries were concentrated in one-third of children.

CONCLUSIONS:

The prevalence of deciduous tooth caries and dmft of 5-year-old children in Shanghai changed little, and the caries filling constituent ratio has increased year by year. To promote children's oral health further, we still need to take more active preventive measures for high caries risk group.

PMID:
23135124
[Indexed for MEDLINE]
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