Report: Prolonged breastfeeding leads to higher decay rates (but there is more to the story…)

A recent Reuters article discusses a study conducted on children and prolonged breastfeeding. The results showed that:


Children who had breastfed for at least two years, which was close to one-quarter of the group, had a higher number of teeth that were decayed, missing or had a filling. Their risk of having severe early childhood caries was also 2.4 times higher compared with those who were only breastfed up to 1 year of age. Breastfeeding for 13 months to 23 months had no effect on dental caries.


Importantly, the article had an expert dentist Glazer Peres weigh in on the results. His important comments from the article are quoted below:


“Breastfeeding is the unquestioned optimal source of infant nutrition. Dental care providers should encourage mothers to breastfeed and, likewise, advise them on the risk,” Glazer Peres told Reuters Health by email.

“General recommendations such as drinking fluoridated water as well as cleaning a child’s teeth with fluoridated toothpaste before going to bed may help to prevent dental caries,” she said. “These approaches are in line with most of the guidelines for practice and policy recommendations worldwide.”


“There is no question that babies who breastfeed for a longer time than recommended by the American Academy of Pediatric Dentistry or the American Academy of Pediatrics have an increased cavity rate,” noted Dr. Robert Morgan, chief of dentistry at Children’s Health in Dallas, Texas, who was not involved in the study.

“The issue is not entirely related to breast feeding. Babies who sleep with a bottle of milk or take a sippy cup of milk throughout the day or night also have an increased incidence of caries,” he said by email.

“The real correlation of breastfeeding is perhaps the number of exposures to food and drink that a child has during the day and night due to the ease of access to mom,” he explained.


“We know that after a baby eats or drinks there is a rise in bacteria and a rise in decay potential for approximately 20 minutes, (after which) bacterial growth and concurrent acid production decreases, as does the decay potential. Therefore, we recommend toddlers eat breakfast, lunch and dinner with perhaps a mid-morning snack and a mid-afternoon snack. If a parent brushes (the child’s teeth) after breakfast and dinner there are only three exposures to increased decay rate times,” Morgan said.

“In my practice, for the mothers who would like to breastfeed for a longer period, we advise them to follow the recommended feeding schedule regardless of the feeding methods, whether breast, bottle or cup – feed and drink a non-water drink no more than five times a day and never at night – and we encourage the brushing schedule (after breakfast and dinner feeding),” he said.


While breastfeeding after a certain age seems to be a risk factor, it does not seem to be any more of a risk than eating and drinking other things frequently. It would be interesting to see a comparison on frequency of eating/drinking vs. breast feeding in children to see if there is any difference at all in decay rates.


Read more here.

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