1The mRNA expression of BDNF in human dental pulp stem cells and its effect on proliferation and differentiation of the cellsWANG Xiao-dong, WANG Han-guo, NI Long-xing247-2502The regulation of TGF-beta on the transcription activity of matrix metalloproteinase-20(MMP-20)promoterHAN Ting-ting, SUN Yan, ZHANG Juan-juan, LIU Xiao-ying, GUAN Xiu-mei, GAO Yu-guang251-2553Extraction and bio-characteristic analysis of porcine dentin matrix protein componentsXUE Yun-peng, ZHANG Yi-wen, YU qing, LIU Zhi-guang, TAO Rui256-2604The expression of TNF-α and PGE2 in periodontal tissues of a rat model with periodontitis exposed to hypoxia at high altitudeKONG Yan, TAN Ying-hui, ZHANG Gang, QIU Song-bo261-2645An in vitro comparison study on sealing ability of continuous-wave condensation method and cold lateral condensation methodZHOU Lan, ZHANG Ya-qing, WANG Sheng-chao, LIU Chao-juan265-267,2796Expression of IL-6 and TNF-α activities in saliva of chronic periodontitic patients268-2707Effects of periodontal sustained-released gel of Chinese nutgall on the expression of MMP-3 in human periodontal ligament fibroblasts induced by lipopolysaccharide271-2748Cleaning efficacy of a self-made lubricant combined with different concentrations of NaOCl on root canal walls infected by Enterococcus faecalis275-2799Observation of electric pulp testing scores of orthodontic teethZHAO Hai-tao, LI Dong, QIAN Hong, GONG Zhen-ye, YANG Tao, LI Qi-hong280-28210Effects of castable ceramic crowns on the periodontal tissue of the restored teethSHEN Lei, XIANG Dong, ZHOG Li-fang283-28511Influence of heat-treatment on fatigue strength of casting Ti-6AI-7Nb alloyCUI Min, ZHU Juan-fang, HE Hui-ming286-289,29312The investigative advancement of human metric dental traitsHUANG Shi-you, SHAO Jing-ling290-29313Effect of dentin sialoprotein on the tooth development and dental diseaseZHANG Jing, MEI Ling-xuan294-29714Advanced research on cyclic fatigue resistance of nickel-titanium endodontic instrumentsYANG Liu, LI Song298-302 