Bacteroides InfectionsPrevotellaBacteroidesAbortion, SepticPrevotella intermediaBacteroides fragilisClindamycinBacteria, AnaerobicPrevotella melaninogenicaGram-Negative BacteriaBacteria, AerobicBacteriaAnaerobiosisFusobacteriumPeptococcusPeptostreptococcusVeillonellaGram-Negative Anaerobic BacteriaBacterial InfectionsEubacteriumGram-Positive BacteriaAnti-Bacterial AgentsPorphyromonasBacteroidaceae InfectionsGram-Negative Bacterial InfectionsMicrobial Sensitivity TestsRNA, Ribosomal, 16SPyruvate SynthaseBacteriological TechniquesPrevotella ruminicolaClostridiumAnti-Infective AgentsDNA, BacterialPhylogenyPrevotella nigrescensCulture MediaMetronidazoleAerobiosisDNA, RibosomalMouthMolecular Sequence DataSequence Analysis, DNAPeriapical AbscessGram-Negative Aerobic BacteriaDental PlaqueSpecies SpecificityAbscessBacterial ProteinsEscherichia coliBacteremiaEnterobacteriaceaePhytochemicalsPeriodontitisPeriodontal DiseasesBacterial Typing TechniquesWound InfectionGenes, rRNABacteroidaceaeColony Count, MicrobialGingiva