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Factors related to dental caries in 10-year-old Vietnamese schoolchildren
Thuy Anh Vu Pham1, Phuc Anh Nguyen2
1Department of Periodontology, Faculty of Odonto-Stomatology, University of Medicine and Pharmacy, Ho Chi Minh City, Vietnam.
Background:
In Vietnam, research is required to provide a clearer understanding of the factors associated with dental caries. This will allow paediatric dentists and physicians to provide appropriate care to children.
Aim:
To determine the factors related to dental caries and to evaluate the association between dental caries and nutritional status in 10-year-old schoolchildren.
Method:
In 2015, 1,079 10-year-old children were randomly selected from 16 public schools in Ho Chi Minh City. Information on self-reported oral health, dental habits, eating, drinking and physical activity behaviours was obtained via a questionnaire. Anthropometric measurements (height and weight) were also taken. Body mass index (BMI) was calculated, and nutritional classification of children was conducted using the BMI-for-age percentile. Dental plaque and dental caries (decayed and filled teeth) were recorded for both primary and permanent teeth.
Results:
Dental caries was experienced on primary and permanent teeth by 60.7% and 39.6%, respectively, of subjects. The factors significantly related to primary tooth decay were school location [odds ratio (OR) = 1.78], self-reported dental caries (OR = 1.36), frequency of tooth self-checking (OR = 1.32), toothbrushing habits (OR = 1.31) and nutritional status (OR = 1.77); however, the factors associated with permanent tooth decay were school location (OR = 2.66), self-reported dental caries (OR = 1.34), frequency of tooth self-checking (OR = 1.37), frequency of dental check-ups (OR = 1.35), toothbrushing habits (OR = 1.31) and nutritional status (OR = 1.39 and 1.74) (P < 0.05).
Conclusion:
Dental caries was associated with school location, dental-related behaviours and nutritional status in 10-year-old schoolchildren in Ho Chi Minh City, Vietnam.
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