06 Oct 2015 Blackmores Institute Blueberry extract looks promising to fight gum disease and reduce antibiotic use 06 Oct 2015 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Wild blueberry extract can prevent dental plaque formation, according to US scientists who say their discovery could lead to a new therapy for periodontitis and a reduced need for antibiotics. They found that compounds in blueberries, called polyphenols actually stop oral bacteria from growing. × To continue reading this article, please Log In or Sign Up for access.