1Isolation of high and low virulent strains of Streptococcus mutans of serotype c from the same oral cavity543-547
2Construction of a single chain antibody fragment of mAb CM against type Ⅰfimbriae of Actinomyces viscosus548-551
3Affect of endotoxin of Prevotella intermedia on proliferation and cell cycle of periodontal ligament cell in vitro552-554
4In vitro study of apoptosis of peripheral blood lymphocyte induced by surface-associated material from Porphyromonas gingivalis555-557
6Evaluation of change of surface energy of titanium and osteoblast adhesion to titanium after treated with alkali561-564
9Comparison of cleaning efficiency of sonic,ultrasonic endodontic instruments in root canals:a scanning electronic microscopic study573-576
11Microleakage research on the effect of apical seal achieved after root resection with Er,Cr:YSGG laser580-582