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Breastfeeding Duration and Childhood Caries: A Cohort Study
Areerat Nirunsittirat1, Waranuch Pitiphat, Christy M McKinney
1Graduate School, Khon Kaen University, Khon Kaen, Thailand.
Caries Research
|September 9, 2016
Summary
Full breastfeeding for 6-11 months is linked to fewer cavities in primary teeth. However, prolonged breastfeeding or any breastfeeding did not show a similar protective effect against dental caries.
Area of Science:
- Pediatric Dentistry
- Public Health Nutrition
- Epidemiology
Background:
- Dental caries is a significant public health issue in primary teeth.
- Breastfeeding practices are widely encouraged, but their long-term impact on dental health requires further investigation.
Purpose of the Study:
- To investigate the association between breastfeeding duration and the risk of dental caries in primary teeth.
- To determine if exclusive breastfeeding for specific durations influences caries development.
Main Methods:
- A cohort study in Khon Kaen, Thailand, followed 556 children from pregnancy to 3-4 years of age.
- Infant feeding data was collected via questionnaires; dental caries assessed using the decayed, missing, and filled surfaces (dmfs) index.
- Negative binomial and log-binomial regression models analyzed the relationship between breastfeeding and caries prevalence/severity.
Main Results:
- 88.1% of children had dental caries, with a mean dmfs of 14.2.
- Full breastfeeding for 6-11 months showed a significant association with lower dmfs and caries prevalence.
- Frequent nighttime breast- or bottle-feeding was dose-responsively linked to increased caries risk.
Conclusions:
- Full breastfeeding for 6-11 months may offer protection against primary tooth dental caries.
- Prolonged breastfeeding duration, or any breastfeeding, was not associated with a reduced risk of dental caries in this population.
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