PeptostreptococcusBacteria, AnaerobicPeriapical AbscessPeptococcusBacteria, AerobicEubacteriumSuppurationFusobacteriumPrevotellaPeptococcaceaeAnaerobiosisGram-Positive CocciPorphyromonasGram-Positive Bacterial InfectionsBacteroidesCrotonatesPrevotella intermediaBacterial InfectionsClostridiumPolyanetholesulfonateL-Serine DehydrataseAbscessGram-Positive BacteriaMouthBacteriaPeriodontitisDental PlaqueLung AbscessEncyclopedias as TopicSoft Tissue InfectionsPeriodontal CystFasciitis, NecrotizingVeillonellaSpecies Specificity