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Oral Health & Preventive Dentistry

Edited by Prof. Dr. Jean-François Roulet, Prof. Dr. Dr. Niklaus P. Lang, Prof. Dr. Palle Holmstrup

Official journal of the Academy of Minimally Invasive Dentistry, the World Congress of Microdentistry, and the European Society of Preventive Dentistry

ISSN (print) 1602-1622 • ISSN (online) 1757-9996


Spring 2005
Volume 3 , Issue 1

Pages: 25-31
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Dental Caries Experience of Preschool Children from Different Ethnic Groups in Guangxi Province in China

Zeng, Xiaojuan / Luo, Yan / Du, Minquan / Bedi, Raman

Purpose: To describe the caries status and oral health-related behaviors of three- to five-year-old Chinese children by their ethnic background, and to identify potential determinants of caries experience. Materials and Methods: A cross-sectional survey was undertaken in a multi-ethnic province (Guangxi) in Southern China. Representative samples of preschool children from two ethnic groups (Han and an ethnic minority Zhuang: 487 Han and 470 Zhuang children) were examined using decayed, missing, filled teeth/surface (dmft/dmfs) indices. The children’s general information as well as their personal oral hygiene practices and dietary habits were collected based on a structured questionnaire. Results: Overall, 60% of children had caries with a mean dmft value of 3.01. Zhuang children had a significantly higher prevalence of rampant caries (13% vs. 9%), mean dmft (3.36 vs. 2.66) and mean dmfs (5.10 vs. 3.76) than the Han children. Decayed teeth/surfaces dominated the dmft/dmfs indices for both Han and Zhuang children. Multiple regression analysis showed that ethnicity and drinking fruit juice from feeding bottles during babyhood were significantly related to dmft. Conclusion: There was a higher level of caries experience in the Zhuang ethnic minority than in Han preschool children.

Keywords: dental caries, ethnic groups, oral hygiene practice, dental behavior

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