1Dental ecofilm and caries(3) A reiew of caries research in last centuryYUE Song-ling603-6072Isolation and purification of rat enamel organ cellsLiu Xiao-hui, Wen Ling-ying, XUAN Kun, YUAN Fang, Lin Chen, JIN Yan608-6113Establishment of experimental animal model of periodontitis in SD ratsSU Jun, LIU Lu-chuan, MAO Yong-li, LI Nan, PAN Li-feng, WEN Xiu-jie612-6154Bacteriostatis effect of gum suppository compound of different concentration ornidazole and pefoloxacinmesylate in vitro616-6195Cytotoxicity of three dentin bonding agents on human dental pulp cellsREN Bang-peng, JIANG Hong-wei, OU Yang-Yong, LING Jun-qi620-6236Multi-analysis of factors affecting the penetration and marginal adaptation of sealantsZHANG Xiao-dan, YUAN Jie, ZHAO Er-yang, WANg Wei624-6267Experimental study of casein phosphopeptide- amorphic calcium phosphate on acid production of Lactobacillus fermentumLI Yan-Ping, LIU Xing-Rong, XU Ai, Li Wei627-6298Effect of different root canal preparation instruments on the apical sealing ability in simulated resin root canalsZHANG Fu-hua, HUANG Ding-ming, TAN Hong, GAO Xiao-jie, JIA Liu-he, ZHOU Xue-dong630-6339Assessment of shaping ability of nickel-titanium hand instruments(ISO) in curved canalsYONG WEI, GAO Xie-jun634-63710Clinical study of ProTaper nikel-titanium hand files in management of severely-decayed posterior toothZHANG Ying, WANG Ying, ZHOU Ze-yuan, WEI Yan, YUAN Yu-ping, FAN Xiao-min638-64211Clinical study of NaF and LaCl3 rinse on preventivon of aged dental root cariesJIN Hui, LIU Yun, JIA Lan-yun, LI Jiang, LIU Guo-qin, LI Lei643-64512Spot check and prevalence analysis of dental caries in the students of primary and middle schools in Shannxi provinceWENG Xi-li, WANG Han-guo, JUA Jun, ZHANG Shou-liang, LIANG Min-zhe646-64813Application of TaqMan real-time PCR for quantitativeanalysis of oral microorganisms652-65414The current research of VEGF in bone metabolism655-657