5Kamma J J,Nakou M,Mitsis F J.The clinical and microbiological effects of systemic ornidazole in sites with and without subgingival debridement in early-onset periodontitis patients[].Journal of Periodontology.2000
7AMITAGE G C.Development of classification system for periodontal diseases and conditions[J].Ann Periodontol 1999,4(1):1-6.
8NONNENMACHER C,DALPKE A,ROCHON I,et al.Real-time polymerase chain reaction for detection and quantification of bacteria in periodontal patients[J].J Periodontol,2005,76(9):1542-1549.
9MAYRAND D,HOLD S C.Biology of asaccharolytic black-pigmented bacteroides species[J].Microbiol Rev,1998,52(1):134-135.
10BELIBASKIS G N,JOHANSSON A,WANG Y,et al.The cytolethal distending toxin induces receptor of NF-kappaB ligand expression in human gingival fibroblasts and periodontal ligament cells[J].Infect Immun,2005,73(1):342-351.