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Published in: BMC Oral Health 1/2016

Open Access 01-12-2016 | Research article

Risk factors of early childhood caries among children in Beijing: a case-control study

Authors: Cancan Fan, Wenhui Wang, Tao Xu, Shuguo Zheng

Published in: BMC Oral Health | Issue 1/2016

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Abstract

Background

The prevalence of early childhood caries (ECC) among children in Beijing, China, has been increasing continuously though slowly. However, there is limited information about ECC in Beijing. The aim of this study was to identify risk factors of dental caries among preschool children in Beijing.

Methods

For this case-control study, using a convenience sampling method, 787 children aged 3 and 4 years old were recruited; 386 children with caries constituted the early childhood caries (ECC) group and 401children without caries formed the caries-free (CF) group. Dental caries was diagnosed at the tooth surface level by two calibrated examiners according to the WHO 1997 criteria. A structured questionnaire was filled in by the children’s main guardians. Mutans streptococci in non stimulated saliva and plaque were measured with the Dentocult SM Strip. Negative binomial regression was used for multivariate analysis.

Results

Analysis of the data showed that level of mutans streptococci in dental plaque and history of dental visit were significantly correlated with the prevalence of caries and the mean dmfs score.

Conclusions

High level of plaque mutans streptococci is a risk factor for ECC in preschool children in Beijing. And longitudinal studies are needed to identify the causal relationships between the levels of mutans streptococci in dental plaque and caries development.
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Metadata
Title
Risk factors of early childhood caries among children in Beijing: a case-control study
Authors
Cancan Fan
Wenhui Wang
Tao Xu
Shuguo Zheng
Publication date
01-12-2016
Publisher
BioMed Central
Published in
BMC Oral Health / Issue 1/2016
Electronic ISSN: 1472-6831
DOI
https://doi.org/10.1186/s12903-016-0289-6

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