Non-Cochrane · aetiology · PM38305424

The Association Between Vitamin D and Early Childhood Caries: A Systematic Review and Meta-Analysis.

Ji Shuaiqi, Zhao Kai, Ma Lei, et al. · Oral health & preventive dentistry · 2024 · PubMed · doi:10.3290/j.ohpd.b4928565

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
13
current version
GRADE rated
0
No studies
0
Included studies
12
linked below
No studies 0 · 0%Ungraded 13 · 100%Very low 0 · 0%Low 0 · 0%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)
PopulationPreschool children (≤6 years old) with and without ECCPreschool children ≤6 years (n=11 studies; 8821 children)
InterventionDiagnosis of ECC (exposure); serum 25-hydroxyvitamin D statusECC and severe ECC; serum 25(OH)D categories <50, 50–75, ≥75 nmol/l
ComparisonCaries-free children (preschoolers without ECC)Caries-free children; higher 25(OH)D category
OutcomesSerum 25-hydroxyvitamin D level; proportion/odds of ECC by 25(OH)D categorySerum 25(OH)D weighted mean difference and odds of ECC (5 meta-analyses; 11 studies in review, 10 pooled)
Study designsObservational studies (case-control, cross-sectional, cohort)7 case-control, 3 cross-sectional, 1 cohort (n=11)
TimingNot specifiedNot specified

Search date: December 2021 to February 2022. Databases: PubMed, Web of Science, Cochrane, Embase, Google Scholar

Questions and results

Children with early childhood caries (ECC) vs Caries-free children

Population: Preschool children ≤6 years
1 question
OutcomeEffectEvidenceStatus / GRADE
Serum 25-hydroxyvitamin D level
Preschool children with ECC had significantly lower serum 25(OH)D than caries-free children (WMD -13.96 nmol/l; ungraded).
Source: Fig 2 (forest); Results, Vitamin D Comparison Between ECC and Caries-free Groups · same question in other reviews
MD -13.96 [-19.88, -8.03]9 studies · 3444 participantsUngraded

Children with severe early childhood caries (S-ECC) vs Caries-free children

Population: Preschool children ≤6 years, Asia
3 questions
OutcomeEffectEvidenceStatus / GRADE
Serum 25-hydroxyvitamin D level
Asia
In Asia, children with S-ECC had lower serum 25(OH)D than caries-free children (WMD -19.25 nmol/l; ungraded).
Source: Results, Comparison of Vitamin D Levels between S-ECC and Caries-free Groups (Fig 6, region subgroup) · same question in other reviews
MD -19.25 [-20.75, -17.76]NRUngraded
Serum 25-hydroxyvitamin D level
North America
Population: Preschool children ≤6 years, North America
In North America, children with S-ECC had lower serum 25(OH)D than caries-free children (WMD -13.28 nmol/l; ungraded).
Source: Results, Comparison of Vitamin D Levels between S-ECC and Caries-free Groups (Fig 6, region subgroup) · same question in other reviews
MD -13.28 [-17.70, -8.87]NRUngraded
Serum 25-hydroxyvitamin D level
Population: Preschool children ≤6 years
Children with severe ECC had significantly lower serum 25(OH)D than caries-free children (WMD -18.64 nmol/l; ungraded).
Source: Fig 5 (forest); Results, Comparison of Vitamin D Levels between S-ECC and Caries-free Groups · same question in other reviews
MD -18.64 [-20.06, -17.22]7 studies · 1658 participantsUngraded

Serum 25(OH)D < 50 nmol/l vs Serum 25(OH)D 50–75 nmol/l

Population: Preschool children ≤6 years
1 question
OutcomeEffectEvidenceStatus / GRADE
Early childhood caries (ECC)
Serum 25(OH)D <50 nmol/l (vs 50–75 nmol/l) was associated with higher odds of ECC (OR 1.47; ungraded).
Source: Fig 7a (forest); Results, Rate of ECC with Different Levels of 25(OH)D · same question in other reviews
OR 1.47 [1.30, 1.66]6 studies · 5265 participantsUngraded

Serum 25(OH)D 50–75 nmol/l vs Serum 25(OH)D ≥ 75 nmol/l

Population: Preschool children ≤6 years
3 questions
OutcomeEffectEvidenceStatus / GRADE
Early childhood caries (ECC)
Serum 25(OH)D 50–75 nmol/l (vs ≥75 nmol/l) was associated with higher odds of ECC (OR 1.42; ungraded).
Source: Fig 7b (forest); Results, Rate of ECC with Different Levels of 25(OH)D · same question in other reviews
OR 1.42 [1.26, 1.60]6 studies · 5746 participantsUngraded
Early childhood caries (ECC)
North America
Population: Preschool children ≤6 years, North America
In North America, 25(OH)D 50–75 nmol/l (vs ≥75) was associated with higher odds of ECC (OR 2.09; ungraded).
Source: Fig 7b subgroup 5.1.1 North America (forest) · same question in other reviews
OR 2.09 [1.55, 2.82]3 studies · 750 participantsUngraded
Early childhood caries (ECC)
Asia and Europe
Population: Preschool children ≤6 years, Asia and Europe
In Asia and Europe, 25(OH)D 50–75 nmol/l (vs ≥75) was associated with higher odds of ECC (OR 1.32; ungraded).
Source: Fig 7b subgroup 5.1.2 Asia and Europe (forest) · same question in other reviews
OR 1.32 [1.17, 1.50]3 studies · 4996 participantsUngraded

Serum 25(OH)D < 50 nmol/l vs Serum 25(OH)D ≥ 75 nmol/l

Population: Preschool children ≤6 years
1 question
OutcomeEffectEvidenceStatus / GRADE
Early childhood caries (ECC)
Serum 25(OH)D <50 nmol/l (vs ≥75 nmol/l) was associated with higher odds of ECC (OR 2.00; ungraded).
Source: Fig 7c (forest); Results, Rate of ECC with Different Levels of 25(OH)D · same question in other reviews
OR 2.00 [1.76, 2.28]6 studies · 4807 participantsUngraded

Comparison

4 questions
OutcomeEffectEvidenceStatus / GRADE
Serum vitamin D (25(OH)D): ECC vs caries-free
Cross-sectional studies (Fig 3)
Mean difference -6.10 [-8.02, -4.19]3 studiesUngraded
Serum vitamin D (25(OH)D): ECC vs caries-free
Case-control studies (Fig 3)
Mean difference -18.82 [-20.30, -17.33]6 studiesUngraded
Serum vitamin D (25(OH)D): ECC vs caries-free
Region: Asia (Fig 4)
Mean difference -14.14 [-15.37, -12.90]5 studiesUngraded
Serum vitamin D (25(OH)D): ECC vs caries-free
Region: North America (Fig 4)
Mean difference -13.10 [-16.97, -9.23]4 studiesUngraded

Included primary studies 12

Open as a trial list
StudyAlso included byOutcomes it informs hereTrial PICOResults
Andaur Navarro et al. 2021
Associations Between Prenatal, Perinatal, and Early Childhood Vitamin D Status and Risk of Dental Caries at 6 Years.
PMID:33982112
2 other reviewsnot statednot extracted yetnot extracted yet
Schroth et al. 2012
The relationship between vitamin D and severe early childhood caries: a pilot study.
PMID:22811377
1 other reviewnot statednot extracted yetnot extracted yet
Schroth et al. 2013
Vitamin D status of children with severe early childhood caries: a case-control study.
PMID:24160554
1 other reviewnot statednot extracted yetnot extracted yet
Seminario et al. 2018
Suboptimal Serum Vitamin D Associated with Early Childhood Caries in Special Health Care Needs Children.
PMID:30869584
1 other reviewnot statednot extracted yetnot extracted yet
Ahmed et al. 2020
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Ahmed HS et al. 2020
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Ahmed S et al. 2021
matched by author and year (probable)
this review onlynot statednot extracted yetnot extracted yet
Chen et al. 2021
Vitamin D Status and Its Influence on the Health of Preschool Children in Hangzhou.
PMID:34079788
this review onlynot statednot extracted yetnot extracted yet
Chhonkar et al. 2018
Comparison of Vitamin D Level of Children with Severe Early Childhood Caries and Children with No Caries.
PMID:30131641
this review onlynot statednot extracted yetnot extracted yet
Hussein et al. 2021
Serum and Saliva 25(OH)D Levels in Relation to Dental Caries in Young Children.
PMID:34996107
this review onlynot statednot extracted yetnot extracted yet
Jha et al. 2021
Association between Serum Ferritin, Hemoglobin, Vitamin D3, Serum Albumin, Calcium, Thyrotropin-releasing Hormone with Early Childhood…
PMID:34934277
this review onlynot statednot extracted yetnot extracted yet
Williams et al. 2021
Association between Vitamin D and Dental Caries in a Sample of Canadian and American Preschool-Aged Children.
PMID:34960016
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).