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  • Title: Anti-microbial efficacy of green tea and chlorhexidine mouth rinses against Streptococcus mutans, Lactobacilli spp. and Candida albicans in children with severe early childhood caries: A randomized clinical study.
    Author: Thomas A, Thakur SR, Shetty SB.
    Journal: J Indian Soc Pedod Prev Dent; 2016; 34(1):65-70. PubMed ID: 26838151.
    Abstract:
    INTRODUCTION: Green tea is a beverage which is consumed worldwide and is reported to have anti-cariogenic effect. So, if it was as effective as chlorhexidine (CHX) mouth rinse against cariogenic microbes it could be considered a natural, economical alternative. The purpose of this study was to evaluate and compare the anti-microbial efficacy of 0.5% green tea and 0.2% CHX mouth rinses against Streptococcus Mutans, Lactobacilli spp. and Candida Albicans. MATERIALS AND METHODS: 30 children aged 4-6 years with S-ECC (based on defs score) were selected. Children were divided randomly into 2 equal groups and were asked to rinse with the prescribed mouth rinse once daily for 2 weeks after breakfast under supervision. A base-line and post rinsing non-stimulated whole salivary sample (2 ml) was collected and tested for the number of colony forming units. The data was statistically analyzed using SPSS v16.0 software with one-way ANOVA and Tukey's POSTHOC test. RESULTS: A statistically significant fall in colony count was found with both the mouth rinses in Streptococcus Mutans (P < 0.001, P < 0.001) and lactobacilli (P < 0.001, P < 0.001) but not against Candida albicans (P = 0.264, P = 0.264). Against Streptococcus Mutans, green tea mouth rinse was found to be significantly better than CHX mouth rinse (P = 0.005). Against lactobacilli spp, CHX mouth rinse was significantly better than green tea mouth rinse (P < 0.001). CONCLUSION: Green tea mouth rinse can be considered safe, economical and used without much concern. However, further studies are recommended.
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