Food Insecurity and Dental Caries Prevalence in Children and Adolescents: A Systematic Review and Meta-analysis

Sedigheh Sabbagh, Fatemeh Mohammadi-Nasrabadi*, Vahid Ravaghi, Kimia Azadi Mood, Alireza Sarraf Shirazi, Abdol-Samad Abedi, Homa Noorollahian*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

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Abstract

Background
Food insecurity (FI) is associated with dietary practices, which can act as a risk factor for dental caries.

Aim
This study aimed to investigate the relationship between FI and dental caries prevalence in children and adolescents.

Design
MEDLINE (via PubMed), EMBASE, SCOPUS, ISI web of knowledge, Cochrane, and ProQuest Dissertations & Theses Global database (up to April 19, 2022) as well as reference lists were searched. Eligible studies compared dental caries prevalence in food-secure and food-insecure individuals younger than 19 years. Two independent reviewers performed study selection, data extraction, and risk of bias assessment using a modified Newcastle–Ottawa Scale. Meta-analysis was performed, and the pooled odds ratio (OR) was calculated at 95% confidence interval (95% CI).

Results
Among the 1350 retrieved records, 10 cross-sectional reports were selected for systematic review. Six studies involving 8631 participants were included in the meta-analysis. More than half of the reports were published within the period 2019–2021. All studies except one were judged as low risk of bias. Overall, the prevalence of dental caries was greater among the food-insecure children and adolescents (OR: 2.01, 95% CI: 1.52–2.65, p 
Conclusion
The results showed a significant association between FI status and dental caries in both childhood and adolescence; however, there was a lack of longitudinal studies for a better understanding of this association. Health policies leading to reduction in FI may also aim to reduce dental caries.
Original languageEnglish
Pages (from-to)346-363
Number of pages18
JournalInternational Journal of Paediatric Dentistry
Volume33
Issue number4
Early online date13 Dec 2022
DOIs
Publication statusPublished - 12 Jun 2023

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