Campylobacter rectusTumor Necrosis Factor-alphaLymphotoxin-alphaHLA-DRB1 ChainsLuminescent AgentsBlood Coagulation Factor InhibitorsHLA-DQ beta-ChainsHLA-DR AntigensMicrosatellite RepeatsHaplotypesPolymorphism, GeneticGenotypeAllelesGenetic Predisposition to DiseaseGingivitisPolymorphism, Single NucleotideGene FrequencyHLA-DQ AntigensChronic PeriodontitisHistocompatibility TestingPromoter Regions, GeneticLinkage DisequilibriumGenetic MarkersArthritis, RheumatoidCase-Control StudiesDNA Modification MethylasesHLA AntigensCytokinesPolymorphism, Restriction Fragment LengthMajor Histocompatibility ComplexInterleukin-10Receptors, Tumor Necrosis FactorPolymorphism, Single-Stranded ConformationalGermanyPolymerase Chain ReactionInterleukin-6BiopsyCohort StudiesRNA, MessengerInflammationJapanGene Expression RegulationRisk Factors