2[2]Ximenez-fyvie LA, Haffajee AD, Socransky SS. Microbial composition of supra-and subgingival plaque in subjects with adult periodontitis[J]. J Clin Periontol, 2000,27(10):722.
3[3]Grawford JM, Wilton JM, Richardson P. Neutrophils die in the gingival crevice, Periodontal Pocket and oral cavity by necrosis and not apoptosis[J]. J Periodontol, 2000, 71(7):1121.
4[4]Fine DH, Mendieta C, Barnett ML, et al. Endotxin levels in periodontally healthy and diseased sites: correlation with levels of garm-negative bacteria[J]. J Periodontol, 1992,63(11):897.
5[5]Shapira L, Takashiba S, Van Dyke TE, et al.Porphyromonas gingivalis Lipopoly saccharide stimulation of human monocytes: dependence on serum and CD 14 receptor [J]. Oral Microbiol Immunol, 1994, 9(2):112.
6[6]Reddi K Pooles, Nair S, et al. Lipiol A, associated proteins form periodon topoathogenic bacteria induce interleukin-6Production by human gingival fibroblasts and monocytes[J],FEMS Immunol Med Microbiol, 1995, 11 (2):137.