Abstract
The project aims to test the hypothesis that probiotic microorganisms or their products are able to control periodontitis induced by Aggregatibacter actinomycetemcomitans (Aa) by regulating the immune response to this pathogen. Initial results indicate that probiotics L.rhamnosus Lr32 and HN001 and L. acidophilus NCFM and La5 interfere with fimbria mediated biofilm formation of A. actinom…