2Weinstein RS,Manolagas SC.Apoptosis and osteoporosis[J].Am J Med,2000,108(2):153-164
3Gamonal J,Bascones A,Acevedo A,et al.Apoptosis in chronic adult periodontitis analyzed by in situ DNA breaks,electron microscopy,and immunohistochemistry[J].J Periodontol,2001,72(4):517-525
4Arakawa S,Nakajima T,Ishikura H,et al.Novel apoptosis-inducing activity in Bacteroides forsythus:a comparative study with three serotypes of Actinobacillus actinomycetemcomitans[J].Infect Immun,2000,68(8):4 611-4 615
5Kurita-Ochiai T,Ochiai K,Fukushima K.Butyric-acid-induced apoptosis in murine thymocytes and splenic T-and B-cells occurs in the absence of p53[J].J Dent Res,2000,79(12):1 948-1 954
6Ratasirayakorn W,Leone P,Leblebicioglu B,et al.Polyamines found in the inflamed periodontium inhibit priming and apoptosis in human polymorphonuclear leukocytes[J].J Periodontol,1999,70(2):179-184
8Alikhani M,Alikhani Z,He H,et al.Lipopolysaccharides indirectly stimulate apoptosis and global induction of apoptotic genes in fibroblasts[J].J Biol Chem,2003,278(52):52 901-52 908
9Alikhani M,Alikhani Z,Graves DT.Apoptotic effects of LPS on fibroblasts are indirectly mediated through TNFR1[J].J Dent Res,2004,83(9):671-676
10Morimoto Y,Morimoto H,Murata T,et al.Extracts of Actinobacillus actinomycetemcomitans induce apoptotic cell death in human osteoblastic MG63 cells[J].J Dent Res,1999,78(3):735-742
3Demetriou N,Parashis A,Tsami-Pandi A,et al.Relationship berween age and clinical symptoms of periodontal disease[J].Stomatologia,1990,47(4)∶231-241
4Susin C,Valle P,Oppermann RV,et al.Occurrence and ridk indicators of increased probing depth in an adult Brazilian population[J].J Clin Periodontol,2005,32(2)∶123-129
5Gesser HC,Peres MA,Marcenes W,et al.Gingival and periodontal conditions associated with socioeconomic factors[J].Rev Saude Publica,2001,35(3)∶289-293
6Gamonal JA,Lopez NJ,Aranda W,et al.Periodontal conditions and treatments needs,by CPITN,in the 35-44 and 65-74 year-old populationin Santiago,Chile[J].Int Dent J,1998,48(2)∶96-103