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Acta Paediatr. 2015 Dec;104(467):62-84. doi: 10.1111/apa.13118.

Breastfeeding and the risk of dental caries: a systematic review and meta-analysis.

Author information

1
Allergy and Lung Health Unit, Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Carlton, Vic., Australia.
2
Murdoch Childrens Research Institute and University of Melbourne Department of Paediatrics, Royal Children's Hospital, Parkville, Vic., Australia.
3
NHMRC Centre of Research Excellence for Chronic Respiratory Disease, School of Medicine, University of Tasmania, Hobart, TAS, Australia.
4
Institute of Inflammation and Repair, University of Manchester, UK.

Abstract

AIM:

To synthesise the current evidence for the associations between breastfeeding and dental caries, with respect to specific windows of early childhood caries risk.

METHODS:

Systematic review, meta-analyses and narrative synthesis following searches of PubMed, CINAHL and EMBASE databases.

RESULTS:

Sixty-three papers included. Children exposed to longer versus shorter duration of breastfeeding up to age 12 months (more versus less breastfeeding), had a reduced risk of caries (OR 0.50; 95%CI 0.25, 0.99, I(2) 86.8%). Children breastfed >12 months had an increased risk of caries when compared with children breastfed <12 months (seven studies (OR 1.99; 1.35, 2.95, I(2) 69.3%). Amongst children breastfed >12 months, those fed nocturnally or more frequently had a further increased caries risk (five studies, OR 7.14; 3.14, 16.23, I(2) 77.1%). There was a lack of studies on children aged >12 months simultaneously assessing caries risk in breastfed, bottle-fed and children not bottle or breastfed, alongside specific breastfeeding practices, consuming sweet drinks and foods, and oral hygiene practices limiting our ability to tease out the risks attributable to each.

CONCLUSION:

Breastfeeding in infancy may protect against dental caries. Further research needed to understand the increased risk of caries in children breastfed after 12 months.

KEYWORDS:

Breastfeeding; Child; Dental caries; Meta-analysis; Systematic review

PMID:
26206663
DOI:
10.1111/apa.13118
[Indexed for MEDLINE]

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