Oolong Tea Polyphenols Help Prevent Dental Caries

Polyphenols present in oolong tea seems to have the potential of preventing and/or controlling periodontal infection and dental caries.


Fairhope, AL -- (SBWIRE) -- 01/07/2015 -- Oolong tea, a well-known traditional Chinese drink, might help avoid dental-caries in humans by constraining dental plaque, based on a research presentation at the 58th Annual European Organization for Caries Research.

Scientists in the Osaka University of Dentistry, Japan previously exhibited that oolong tea extract, when put into drinking water, decreased plaque deposition and suppress the formation of experimental dental-caries in rodents.

To test this theory on human-beings, the scientists enrolled 31 human subjects and professionally eliminated dental plaque on the individuals' enamel surfaces. All subjects were asked to avoid drinking alcohol, tea and espresso for 4 days. During that interval 1/2 of the subject consumed only oolong tea, while the other half consumed only water after every meal (at-least 200-ml every time).

At the end of 2 weeks, the results display that the plaque indices of subjects who consumed oolong tea in each program were considerably lower (p<0.01).

The researchers noted that, polyphenols in oolong tea helps in preventing dental caries by suppressing the function of enzyme "glucosyltransferases" that plays a vital part in Streptococcus mutans, a main causative agent of dental caries in Human-being. Polyphenols are micronutrients, found generously in plants like blueberries, rooibos and black tea. Polyphenols are esteemed due to their anti-oxidative benefits, and considerable research has examined their part in preventing diseases like cancer and cardiac arrest.

The polyphenols property of preventing dental caries hasn't been as thoroughly analyzed, but prior reports show advantages with polyphenols from black tea, for example recent studies have shown that cranberries and Red wine also have beneficial properties of polyphenols.

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