Article Publish Status: FREE
Abstract Title:

Biofilm formation by Streptococcus mutans and its inhibition by green tea extracts.

Abstract Source:

AMB Express. 2021 May 25 ;11(1):73. Epub 2021 May 25. PMID: 34032940

Abstract Author(s):

Sara Moataz Zayed, Mohammad Mabrouk Aboulwafa, Abdelgawad Mohamed Hashem, Sarra Ebrahim Saleh

Article Affiliation:

Sara Moataz Zayed


Dental Caries is considered one of the most existing and worldwide common diseases related to the oral cavity affecting both children and adults. Streptococcus mutans is the main cariogenic microorganism involved in the dental caries progression. Natural products such as herbal plants were found to have less side effects and economic value than those of the chemically synthesized antibiofilm agents. This study aimed to isolate Streptococcus mutans from different oral samples taken from saliva and dental plaques specimens to determine their capability for biofilm formation and to evaluate the antibiofilm activity of aqueous and alcoholic green tea extracts. The results revealed that 35, 4 and 1% of recovered dental plaque isolates exhibited strong, moderate and weak biofilm formation capabilities versus 26, 12 and 2% for those recovered from saliva. Two green tea extracts (aqueous and alcoholic) were tested for their antibiofilm formation activity against some selected S. mutans isolates. The results showed that the minimum biofilm inhibitory concentrations (MBICs) of the alcoholic and aqueous green tea extracts were in the range of 3.1 to 12.5 mg/ml and 6.5 to 50 mg/ml, respectively. Accordingly, green tea extracts can be incorporated in various oral preparations for preventing dental caries.

Study Type : In Vitro Study

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Sayer Ji
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