Non-Cochrane · aetiology · PM40254914

Risk of Early Childhood Dental Caries Associated With Prolonged Breastfeeding: A Systematic Review and Meta-Analysis.

Lustosa Karina, Rodrigues Larissa Rosa Santana, Rocha Reuber Mendes, et al. · International journal of paediatric dentistry · 2025 · PubMed · doi:10.1111/ipd.13313

Oral HealthDental cariesAMSTAR 2: not applicable
Full textEvery question was extracted from the full text, figures and supplements by two independent LLM extractors, disagreements adjudicated. Rows cite where in the review the value comes from.
Questions
6
current version
GRADE rated
5
No studies
0
Included studies
41
linked below
No studies 0 · 0%Ungraded 1 · 16.7%Very low 0 · 0%Low 5 · 83.3%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Review question

ElementPlanned (methods)Found (results)
PopulationChildren up to 71 monthsChildren up to 71 months across 25 cohort studies; 19,681 pooled participants (n=25)
InterventionProlonged breastfeeding > 12 months (exposure)Prolonged breastfeeding (>12 months overall; categories 12-24 months and >24 months) (n=25)
ComparisonNo comparison group or children not breastfed at the same ageChildren not breastfed / breastfed a shorter duration at the same age
OutcomesRisk/prevalence of dental caries (early childhood caries, ECC)ECC incidence (RR) and ECC prevalence (OR/PR)
Study designsObservational studies published as full articles; no date or language restriction. Excluded: cross-sectional, case-control, randomized trials, reviews, in vitro/animal studies, case reports, conference abstractsCohort studies (1 doctoral thesis; 1 retrospective cohort) published 1999-2024; sample sizes 132-4146; follow-up 1-9 years (n=25; 20 meta-analyzed, 5 excluded from pooling)
TimingChildren up to 71 months of ageFollow-up 1-9 years; children up to 71 months

Search date: Up to May 17, 2024. Databases: PubMed (MEDLINE); Scopus; EMBASE; LILACS (via BVS); Web of Science; Livivo; CINAHL (EBSCO); Cochrane Library; gray literature: Google Scholar, ProQuest, Bibliografia Brasileira de Odontologia (BBO)

Questions and results

Prolonged breastfeeding for more than 24 months vs Not breastfed at the same age or breastfed for a shorter duration

Population: Children up to 71 months (early childhood; primary dentition)
3 questions
OutcomeEffectEvidenceStatus / GRADE
Early childhood caries (ECC) - incidence/risk
Up to 71 months of age (study follow-up 1-9 years) · More than 24 months
Breastfeeding beyond 24 months is associated with an increased risk (incidence) of early childhood caries versus not breastfeeding at the same age (RR 2.44, 95% CI 1.97 to 3.02; low certainty).
Source: Results, 'Synthesis of Results' para (Figure 4A); Abstract; 'Certainty of Evidence' section (GRADE = low; primary outcome); SoF table… · same question in other reviews
RR 2.44 [1.97, 3.02]2 studiesLow
Downgraded: inconsistency
Prevalence of early childhood caries
12-24 months
Population: Children up to 71 months
Breastfeeding for 12-24 months is associated with higher ECC prevalence (low certainty).
Source: Results, Synthesis of Results; Figure 5B; Certainty of Evidence · same question in other reviews
PR 3.32 [1.57, 5.07]2 studiesLow
Downgraded: inconsistency
Risk of early childhood caries
12-24 months
Population: Children up to 71 months
Breastfeeding for 12-24 months may not increase ECC risk (low certainty).
Source: Results, Synthesis of Results; Figure 4A; Certainty of Evidence · same question in other reviews
RR 1.21 [0.82, 1.78]5 studiesLow
Downgraded: inconsistency

Breastfeeding for more than 24 months vs Not breastfed at the same age

Population: Children up to 71 months
1 question
OutcomeEffectEvidenceStatus / GRADE
Prevalence of early childhood caries
More than 24 months
Breastfeeding for more than 24 months is associated with higher ECC prevalence (low certainty).
Source: Results, Synthesis of Results; Figure 5A; Certainty of Evidence · same question in other reviews
OR 2.99 [1.03, 8.67]4 studiesLow
Downgraded: inconsistency

Breastfeeding for more than 12 months vs Not breastfed at the same age

Population: Children up to 71 months
1 question
OutcomeEffectEvidenceStatus / GRADE
Prevalence of early childhood caries
More than 12 months
Breastfeeding for more than 12 months is associated with higher ECC prevalence (low certainty).
Source: Results, Synthesis of Results; Figure 5A; Certainty of Evidence · same question in other reviews
OR 1.86 [1.48, 2.35]13 studiesLow
Downgraded: inconsistency

Comparison

1 question
OutcomeEffectEvidenceStatus / GRADE
Early childhood caries (ECC) - incidence/risk
Sensitivity analysis (Feldens 2010 excluded): breastfeeding >12 months
RR 1.37 [0.89, 2.12]6 studiesUngraded

Included primary studies 41

Open as a trial list
StudyAlso included byOutcomes it informs hereTrial PICOResults
Bernabe 2017
Birth Weight, Breastfeeding, Maternal Smoking and Caries Trajectories
DOI:10.1177/0022034516678181
2 other reviewsnot statednot extracted yetnot extracted yet
Abanto 2023
Prolonged breastfeeding, sugar consumption and dental caries at 2 years of age: A birth cohort study
DOI:10.1111/cdoe.12813
1 other reviewnot statednot extracted yetnot extracted yet
Barroso 2021
Influence of breastfeeding duration on the incidence of dental caries in preschoolers: a cohort study
DOI:10.1590/1806-93042021000100012
1 other reviewnot statednot extracted yetnot extracted yet
Chaffee 2014
Association of long-duration breastfeeding and dental caries estimated with marginal structural models.
PMID:24636616
1 other reviewnot statednot extracted yetnot extracted yet
Devenish 2020
Early childhood feeding practices and dental caries among Australian preschoolers
DOI:10.1093/ajcn/nqaa012
1 other reviewnot statednot extracted yetnot extracted yet
Feldens 2010
Early Feeding Practices and Severe Early Childhood Caries in Four-Year-Old Children from Southern Brazil: A Birth Cohort Study
DOI:10.1159/000319898
1 other reviewnot statednot extracted yetnot extracted yet
Feldens 2010
Early feeding practices and severe early childhood caries in four-year-old children from southern Brazil: a birth cohort study.
PMID:20838043
1 other reviewnot statednot extracted yetnot extracted yet
Feldens 2018
Feeding frequency in infancy and dental caries in childhood: a prospective cohort study.
PMID:28868798
1 other reviewnot statednot extracted yetnot extracted yet
Hong 2014
matched by author and year (probable)
1 other reviewnot statednot extracted yetnot extracted yet
Hong 2014
Infant breast-feeding and childhood caries: a nine-year study.
PMID:25198001
1 other reviewnot statednot extracted yetnot extracted yet
Nunes 2012
Association between prolonged breast‐feeding and early childhood caries: a hierarchical approach
DOI:10.1111/j.1600-0528.2012.00703.x
1 other reviewnot statednot extracted yetnot extracted yet
Peres 2017
Impact of Prolonged Breastfeeding on Dental Caries: A Population-Based Birth Cohort Study
DOI:10.1542/peds.2016-2943
1 other reviewnot statednot extracted yetnot extracted yet
Tashiro 2021
Caries and Its Association with Infant Feeding and Oral Health-related Behavior in 18-month and 3-year-old Japanese Children
DOI:10.2209/tdcpublication.2020-0033
1 other reviewnot statednot extracted yetnot extracted yet
Yokoi 2021
Association between the incidence of early childhood caries and attending childcare among toddlers in a rural area of Japan: a prospective…
DOI:10.1080/00016357.2020.1795249
1 other reviewnot statednot extracted yetnot extracted yet
Abanto 2022
Prolonged breastfeeding, sugar consumption and dental caries at 2 years of age: A birth cohort study.
PMID:36380436
this review onlynot statednot extracted yetnot extracted yet
Bernabé 2016
Birth Weight, Breastfeeding, Maternal Smoking and Caries Trajectories.
PMID:27834298
this review onlynot statednot extracted yetnot extracted yet
Birungi 2017
Assessing causal effects of early life‐course factors on early childhood caries in 5‐year‐old Ugandan children using directed acyclic…
DOI:10.1111/cdoe.12314
this review onlynot statednot extracted yetnot extracted yet
Birungi 2017
Assessing causal effects of early life-course factors on early childhood caries in 5-year-old Ugandan children using directed acyclic…
PMID:28631283
this review onlynot statednot extracted yetnot extracted yet
Blanco 2021
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Devenish 2020
Early childhood feeding practices and dental caries among Australian preschoolers.
PMID:32047898
this review onlynot statednot extracted yetnot extracted yet
Helderman 2006
Risk Factors of Early Childhood Caries in a Southeast Asian Population
DOI:10.1177/154405910608500115
this review onlynot statednot extracted yetnot extracted yet
Helderman 2006
Risk factors of early childhood caries in a Southeast Asian population.
PMID:16373687
this review onlynot statednot extracted yetnot extracted yet
Ibrahim 2009
A longitudinal study of early childhood caries risk, dental caries, and life style
DOI:10.1016/s0917-2394(09)70171-5
this review onlynot statednot extracted yetnot extracted yet
Ji 2006
Risk behaviors and its association with caries activity and dental caries in Japanese children
DOI:10.1016/s0917-2394(06)70070-2
this review onlynot statednot extracted yetnot extracted yet
Lunteren 2021
Breastfeeding and Childhood Dental Caries: Results from a Socially Diverse Birth Cohort Study.
PMID:33706311
this review onlynot statednot extracted yetnot extracted yet
Mathias 2023
Breastfeeding, consumption of ultraprocessed foods, and dental caries at 4 years of age: A birth cohort study.
PMID:37171456
this review onlynot statednot extracted yetnot extracted yet
Mathias 2024
Breastfeeding, consumption of ultraprocessed foods, and dental caries at 4 years of age: A birth cohort study
DOI:10.1111/ipd.13087
this review onlynot statednot extracted yetnot extracted yet
Nakamura 2009
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Nakamura 2009
[Chronic rejection of a transplanted heart].
PMID:2009191
this review onlynot statednot extracted yetnot extracted yet
Nirunsittirat 2016
Breastfeeding Duration and Childhood Caries: A Cohort Study.
PMID:27606624
this review onlynot statednot extracted yetnot extracted yet
Nirunsittirat 2016
In vivo Confocal Microscopy in Differentiating Ipilimumab-Induced Anterior Uveitis from Metastatic Uveal Melanoma.
PMID:27790127
this review onlynot statednot extracted yetnot extracted yet
Nunes 2012
Association between prolonged breast-feeding and early childhood caries: a hierarchical approach.
PMID:22725605
this review onlynot statednot extracted yetnot extracted yet
Peres 2017
Impact of Prolonged Breastfeeding on Dental Caries: A Population-Based Birth Cohort Study.
PMID:28759394
this review onlynot statednot extracted yetnot extracted yet
Pires 2020
Can be Grandmother as Child’s Daytime Caregiver a Risk Factor for Higher Caries Experience in Early Childhood? A Retrospective Study
DOI:10.1590/pboci.2020.150
this review onlynot statednot extracted yetnot extracted yet
Saethre 2023
Prolonged breastfeeding and dental caries in preschool children
DOI:10.1080/00016357.2023.2211154
this review onlynot statednot extracted yetnot extracted yet
Sæthre 2023
Prolonged breastfeeding and dental caries in preschool children.
PMID:37211628
this review onlynot statednot extracted yetnot extracted yet
Sritangsirikul 2024
A longitudinal study on the impact of breastfeeding with or without formula milk on dental caries.
PMID:38710791
this review onlynot statednot extracted yetnot extracted yet
Tada 1999
Caries Risk Factors among Three-year Old Children in Chiba, Japan
DOI:10.1177/101053959901100210
this review onlynot statednot extracted yetnot extracted yet
Tada 1999
Caries risk factors among three-year old children in Chiba, Japan.
PMID:11195157
this review onlynot statednot extracted yetnot extracted yet
Tashiro 2021
Caries and Its Association with Infant Feeding and Oral Health-related Behavior in 18-month and 3-year-old Japanese Children.
PMID:33994420
this review onlynot statednot extracted yetnot extracted yet
Yokoi 2021
Association between the incidence of early childhood caries and attending childcare among toddlers in a rural area of Japan: a prospective…
PMID:32692586
this review onlynot statednot extracted yetnot extracted yet

Overlap with other reviews

Reviews that include the same primary studies are not independent evidence. Shared counts match studies by PMID, DOI or NCT, and otherwise by author and year (a probable match).