1Dental ecofilm and caries(1) A review of caries research in last centuryYUE Song-ling483-4892Gly322 in the FtsZ of Porphyromonas gingivalis is important for cell divisionYU Wei-xian, HU Xiao-chun, BI Wen-xiang, YU De-zhen490-4933The relationship between TLE activity of subgingival plague samples and sulcus bleeding index.XIN Yu-hua, XUE Yi, TANG Tao494-4964Tomato tramsformed with pROSB containing the gene against cariesMAI Sui, LING Jun-qi, ZHAO Wei-wei, LIU Hong-yan497-5005Effect of topical fluoride application on eroded enamel in vitroGao Jin-huan, DU Min-quan, JIANG Han, TAI Bao-jun501-5046Study on transverse configurations of mesiobuccal root canals of maxillary first and second molarsGAO Yan, LING Jun-qi, AN Shao-feng505-5077Effect of toothpaste on the wettability of enamel surfaceZHAO Xin-yi, WANG Xiao-ling508-5108Local anesthesia effects of articaine and mepivacaine on tooth therapy- a randomized controlled double- blind trialHOU Rui, LIU Gui-cai, ZHU Qin-lin, XU Jie, LV Xin, LI Feng, ZHOU Qiang511-5149Experiment study of the funneled residual roots restored with high strenghth glass ionomer cements of new typeSU Jian-sheng, ZHAI Jian-Bo, ZHAO Yun515-51710Appliction of julie- radiography quick image direct digital dental radiography system to the detection of diagnose accirdabce rate of the approximal caries lesions in permant molarsLIU Mei, WANG Duo, LI Guo-ju, JIA Chun-ling518-52011A Clinical Study of multiloop edgewise archwire in the treatment of class Ⅱ division 2 malocclusionZhang Ping, Yu Bo, Luo Rui521-52212The advanced research of genes involved in biofilm formation of Streptococcus mutans532-53513Root canal morphology of mandibular premolars536-539