30/01/2026
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Breastfeeding offers powerful benefits in early life. Exclusive breastfeeding during the first 6 months, and continued up to about 12 months, is associated with a lower or neutral risk of dental caries. At this stage, breast milk supports immunity, brain development, craniofacial growth, and overall health. The evidence consistently shows that breastfeeding in infancy contributes positively to both systemic and oral development.
When breastfeeding continues frequently beyond 12–24 months, especially during the night, the risk profile can change. Once primary teeth erupt, lactose in breast milk may be metabolized by cariogenic bacteria to produce acids. During sleep, saliva flow naturally decreases, pH falls, and enamel becomes more vulnerable. If brushing is inconsistent and feeds occur multiple times overnight, the oral environment may shift toward early childhood caries.
Breastfeeding itself is not harmful. The risk arises from prolonged nocturnal feeding combined with plaque accumulation and enamel demineralization. Understanding this balance empowers parents to protect their child’s health without losing the many benefits breastfeeding provides.
