2022: Two-year Impact Factor: 4.4
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CiteScore (2022): 5.3
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Health Promot Perspect. 2021;11(3): 271-280.
doi: 10.34172/hpp.2021.35
PMID: 34660221
PMCID: PMC8501477
Scopus ID: 85115069220
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Systematic Review

Dietary free sugar and dental caries in children: A systematic review on longitudinal studies

Zeinab Mahboobi 1 ORCID logo, Afsaneh Pakdaman 2,1* ORCID logo, Reza Yazdani 1 ORCID logo, Leila Azadbakht 3 ORCID logo, Ali Montazeri 4 ORCID logo

1 Department of Community Oral Health, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
2 Research Centre for Caries Prevention, Dental Research Institute, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran
3 Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
4 Health Metrics Research Center, Institute for Health Sciences Research, ACECR, Tehran, Iran
*Corresponding Author: Email: pakdaman@sina.tums.ac.ir


Background: Dental caries, as a multi-factorial problem, is prevalent among children. The aim of this review was to assess the association between dietary free sugars (DFS) consumption and dental caries in 6- to 12-year-old children in the recent longitudinal evidence. Methods: In this systematic review, database search was performed in PubMed, Embase, ISI Web of Science and Scopus using the keywords “diet”, “dental caries” and “school children”.We considered the articles published in English from 2004 to 2019. After duplicate removal,title, abstract data basell text of all included papers were assessed by two independent reviewers. The quality of included papers was assessed using the Newcastle-Ottawa scale. Results: From 2122 papers, ten longitudinal studies were included. In the included studies, the consumption of 100% juice (daily), candy (more than once a week), and soft drink and sweet drinks (at bedtime) were highly associated with caries in children. In few studies, daily consumption of water and dairy products was reported to be protective. However, some studies reported non-significant association between consumption of different sugary items and dental caries. The quality of included studies was moderate. Heterogeneity was observed in the measurement of caries outcome, and data collection tool for diet assessment, and statistical measure, which impeded the meta-analysis of data. Conclusion: The methodology and results in the longitudinal studies on the association of dietary free sugar consumption and dental caries in schoolchildren were heterogeneous, which urge the need for further standard research protocols in this area.
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Submitted: 04 Mar 2021
Revision: 10 May 2021
Accepted: 11 Jul 2021
ePublished: 18 Aug 2021
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