It has to be said that more than 400 bacterial species are localized in the subgingival plaque.[1,2] Very common bacteria species—Actinobacillus actinomycetemcomitans, Fusobacterium nucleatum, Tannerella forsythensis (Bacteroides forsythus), Porphyromonas gingivalis, Prevotella intermedia, and spirochetes have also been identifi ed from symptomaticinfected implants.[3,4] Bacterial infection is the main reason of heart failure. Nowadays different studies have shown that different bacteria are present in the pocket of patient with heart diseases, different factors may have a role in implementation of heart diseases including oral infection and systemic diseases.[8,9] It is supposed that specifi c oral organisms may have a role for heart failure.