Fusobacterium nucleatumFusobacteriumFusobacterium InfectionsBacteria, AnaerobicFusobacterium necrophorumBacteriaBacteria, AerobicGram-Negative Anaerobic BacteriaAnaerobiosisBacteroidesPeptostreptococcusGram-Positive BacteriaEubacteriumGram-Negative BacteriaBacteroidaceaeClostridiumPeptococcusVeillonellaRNA, Ribosomal, 16SBacteroides fragilisBacterial InfectionsDNA, BacterialPorphyromonasMolecular Sequence DataPeptococcaceaePhylogenyBacteriological TechniquesAnti-Bacterial AgentsCulture MediaBacterial ProteinsDNA, RibosomalMicrobial Sensitivity TestsPrevotellaSequence Analysis, DNAPrevotella melaninogenicaMouthSpecies SpecificityBacteroides InfectionsPrevotella intermediaEscherichia coli