1A preliminary study of the effects of gltA gene on the biofilm formation of Enterococcus faecalisQIU Jun, XIAO Yan, XIANG Dou-dou, SHI Chen-nan, CHENG Xiao-gang, TIAN Yu, YU Qing249-2572An investigation on antibacterial effects of Nd:YAG laser on the Porphyromonas gingivalisWU Yi-fan, SONG Zhong-chen, SHU Rong258-264,3023Fiber post-and-core crown or onlay for restoration choice of mandibular first premolar with large defect:A three-dimensional finite element analysisZHANG Xiao-Xia, HAN Ding, ZHU Qin-lin, Wang Jiang, SUN Han-tang265-2694The effects of different final irrigating solutions on the wettability of root canal sealers to intraradicular dentineLI Zhi-wei, LI Jie, LIU Yan, WANG Jing, LIU Yue, LIU Ying270-2755The measurement of W angle in the subjects with normal occlusion and in those with malocclusion of Han nationalityZHANG Jie-yun, ZHOU Wei-wei, CAO Jun276-2796Meta-analysis of fluoride foam for prevention of children dental caries in ChinaLI Hai-xia, XU Lan, LIU Fan-feng, QIU Zhuo-ya, WANG Jian280-2837Clinical study on the second mesiobuccal canal in the mesiobuccal root of the maxillary second primary molarLI Yong-ji, SONG Yang, SUN Tuo-qi, ZHANG Ying-hua284-2878Management of tooth fracture in childrenLIU Ying-ling, CUI Di-xin, YANG Ran288-2959Research progress of periodontally accelerated osteogenic orthodonticsKANG Li-na296-30210Reform of quality evaluation system based on Mini-CEX for the clinical skills of dental internsHUANG Li, DONG Yan, XU Rong-chen, YU Fan, CHEN Yong-jin, ZHANG Min303-306