International Journal of Clinical Pediatric Dentistry

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VOLUME 13 , ISSUE 5 ( September-October, 2020 ) > List of Articles

REVIEW ARTICLE

Comparing the Effectiveness of Topical Fluoride and Povidone Iodine with Topical Fluoride Alone for the Prevention of Dental Caries among Children: A Systematic Review and Meta-analysis

Arpit Gupta, Nishant, Shweta Sharda

Citation Information : Gupta A, N, Sharda S. Comparing the Effectiveness of Topical Fluoride and Povidone Iodine with Topical Fluoride Alone for the Prevention of Dental Caries among Children: A Systematic Review and Meta-analysis. Int J Clin Pediatr Dent 2020; 13 (5):559-565.

DOI: 10.5005/jp-journals-10005-1844

License: CC BY-NC 4.0

Published Online: 01-06-2021

Copyright Statement:  Copyright © 2020; The Author(s).


Abstract

Background: Combined use of povidone iodine (PI) along with topical fluorides (TF) has been suggested as a promising strategy to reduce dental caries incidence and cariogenic bacterial load. However, the available literature presents mixed evidence regarding its effectiveness as compared to TF application alone. Aim and objective: ‘TF + PI’ vs TF alone in the prevention of dental caries among 1–12-year-old children assessed through caries increment and mean S. mutans and Lactobacillus counts. Materials and methods: Five databases (Cochrane Central Register of Controlled Trials, EBSCOhost, PubMed/Medline, Scopus, and Web of Science) were searched for relevant literature. Out of 72 studies that were screened, 7 eligible studies were included out of which 4 studies were subjected to meta-analysis. The generic inverse variance test was used to assess the primary outcome reported as mean ± SD/ events occurred (caries incidence), whereas for mean post-intervention S. mutans colony count, inverse variance function was used. The Cochrane's Collaboration tool and Modified Downs and Black scoring criteria were used to evaluate the quality of the included articles. Heterogeneity across the studies was assessed using the I2 statistic. Statistical significance was set at p < 0.05. Results: Overall, for primary and permanent dentition combined, the dental caries incidence was found to be significantly lower in the ‘TF + PI’ combined therapy group as compared to TF alone [SMD −0.4 (−0.78 to −0.03), p = 0.04]. The two groups showed no significant difference with respect to post-intervention S. mutans count [SMD −0.1 (−0.57 to +0.37), p = 0.69]. No study was found that compared post-intervention Lactobacillus count between the two groups. Conclusion: Based on the pooled analysis from the limited literature available, there is a very low quality of evidence that ‘TF + PI’ combined therapy is more effective in the prevention of new caries lesions among 1–12-year-old children as compared to TF use alone. Future clinical trials with robust methodologies are recommended to generate conclusive evidence. Clinical significance: PI application might exert an added benefit with TF in preventing the occurrence of new carious lesions among 1–12-year-old children.


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