1Age-related changes of bone marrow mesenchymal stem cells of aged miceMA Yang, LIU Wen-Jia, QI Meng, JIN Yan187-1912The effect of LPS on the cell junctions of odontoblasts in vitro192-195,2443Effects of NICD over-expression on the proliferation and migration of human dental pulp cellsHU Chao, LI Shi-ting, ZHANG Gang, TAN Ying-hui196-2014Effect of strongly acidic electrolyte water on multispecies apical biofilm in vitro202-2075Proliferation of human periodental ligment cells on root surface treated by different methods208-2126Clinical significance of serum levels of anticardiolipin antibody in patients with essential hypertension and periodontitisWANG Lei, ZHAO Bin, LI Hong-yan, DING Zi-qing213-215,2307Effects of strontium-substituted biomimetic implant surfaces on early osseointegration216-2208Biomechanical study of the effects of micro-implant anchorage system for the distal movement of mandibular molarsFAN Xing-xing, KE Jie, ZHAO Gui-zhi, ZHENG Dong, WANG Rui, LIU Lu, LIU Yang221-2259A retrospective study of the clinical efficacy of 4,247 zirconia all-ceramic restorationsYU Jing-tao, ZHANG Shao-feng, GAO Jing, GUO Jia-wen, TIAN Bei-min, WEN Xuan, WU Xiao-hong226-23010Cone-beam CT evaluation of the root canal shaping effects of TF ,K3 and ProTaper filesWANG An-yang, SHI Chun, SONG Qi-yi, HAN Wen-li, NIU Wei-dong231-234,24911Clinical evaluation of pulp revascularization for immature teeth with apical periodontitisZHENG Xue-fei, WANG Xiao-jing, ZHANG Jian, WANG Feng235-237,22512Effects of nitrous oxide inhalation on dental anxiety during impacted wisdom tooth extractionWANG Li-xin, NI Yao-feng, SUN Yu-hua238-24113Prevalence of malocclusion and oligodontia in youngsters in Yan'an cityGAO Dong-ling, JIN Fang, LI Yang242-24414Application of socratic method combined with case-based method in the periodontology teachingZHAO Ling-zhou, LIU Meng-yuan, XU Jie, DONG Guang-ying, LU Hong, CHEN Fa-ming245-247,249