Porphyromonas gingivalisPorphyromonasBacteroidaceae InfectionsPeriodontitisAdhesins, BacterialHemagglutininsGingivaPrevotella intermediaCysteine EndopeptidasesPorphyromonas endodontalisFusobacterium nucleatumPeriodontal DiseasesBacteroidesPrevotellaDental PlaqueAlveolar Bone LossAggregatibacter actinomycetemcomitansTreponema denticolaFimbriae ProteinsPeriodontiumFimbriae, BacterialChronic PeriodontitisBacterial AdhesionMouthGingival Crevicular FluidPeriodontal PocketBacterial ProteinsHeminBacteria, AnaerobicStreptococcus gordoniiGingivitisFusobacteriumHemagglutinationBacteroidaceaeMolecular Sequence DataPili, SexAntibodies, BacterialMouth MucosaLipopolysaccharidesCampylobacter rectusFusobacterium InfectionsBacteroides InfectionsVirulenceGingival PocketToll-Like Receptor 2Streptococcus oralisBiofilmsTreponemaDNA, BacterialLipid AAmino Acid SequenceBenzoylarginine-2-NaphthylamideGene Expression Regulation, BacterialGenes, BacterialBacteria, AerobicGingival HemorrhageKB CellsStreptococcusAggressive PeriodontitisBacterial LoadSalivaPeriapical AbscessEikenella corrodensGram-Negative Anaerobic BacteriaMicrobial InteractionsCarbon-Sulfur LyasesEpithelial CellsToll-Like Receptor 4Proline-Rich Protein DomainsRNA, Ribosomal, 16SZingiberaceaeVirulence FactorsPeptostreptococcusCells, CulturedBacterial Outer Membrane ProteinsGingival DiseasesEndopeptidasesInterleukin-8Polymerase Chain Reaction