Abstract
AimTo evaluate the effect of fluoride varnish on Streptococcus mutans count in saliva among 12-year-old school children.Materials and methodsA field experiment was conducted to evaluate the effects of fluoride varnish on S. mutans count in saliva among 12-year-old school children. A total of 42 school-going children attending schools in Vadodara district, Gujarat, India, were divided into two groups. Group I was treated with fluoride varnish and group II received no treatment. Assessment of S. mutans was carried out at baseline and 3 to 6 months postfluoride varnish application. Friedman analysis of variance test and post hoc test were applied to detect statistically significant differences between baseline, 3 to 6 months of fluoride varnish application, and also between groups I and II.ResultsThe mean number of salivary S. mutans value found in case group at baseline, 3 to 6 months was 31.23 ± 1.119, 9.27 ± 0.852, and 9.39 ± 0.908 × 104 colony-forming unit CFU/mL respectively. The difference in S. mutans count from baseline to 3 to 6 months was highly statistically significant (p = 0.000), but the difference from 3 to 6 months was not statistically significant (p = 0.142). In control group, the mean S. mutans value found at baseline, 3 to 6 months was 30.63 ± 1.436, 31.23 ± 1.351, and 31.40 ± 1.374 × 104 CFU/mL respectively. The differences between these values were not statistically significant (p = 0.11).ConclusionStatistically significant reduction in S. mutans count in saliva was seen 3 to 6 months after fluoride varnish application.How to cite this articleBadjatia S, Badjatia RG, Thanveer K, Krishnan ACG. Effects of Fluoride Varnish on Streptococcus mutans Count in Saliva. Int J Clin Pediatr Dent 2017;10(1):62-66.
Highlights
Dental caries is an ecological disease in which diet, host, and the microbial flora interact over a period of time in such a way as to encourage demineralization of the tooth enamel with resultant caries formation
The mean number of salivary S. mutans value found in case group at baseline, 3 to 6 months was 31.23 ± 1.119, 9.27 ± 0.852, and 9.39 ± 0.908 × 104 colony-forming unit CFU/mL respectively
The mean S. mutans value found at baseline, 3 to 6 months was 30.63 ± 1.436, 31.23 ± 1.351, and 31.40 ± 1.374 × 104 CFU/mL respectively
Summary
Dental caries is an ecological disease in which diet, host, and the microbial flora interact over a period of time in such a way as to encourage demineralization of the tooth enamel with resultant caries formation. Dental caries is still one of the most common diseases in the world.[1]. Dental caries will not occur if the oral cavity is free of bacteria. These bacteria are organized into a yellowish film known as dental plaque on the surface of the teeth. Many types of bacteria are present in the mouth; the most caries-active appear to be Streptococcus mutans, Lactobacillus spp., Veillonella spp., and Actinomyces spp. A variety of carbohydrates provide substrates for these organisms to grow on, and the waste products of their metabolism, acids, initiate the tooth decay process by dissolving tooth enamel.[1]
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