1Expression of L-type calcium channel C terminus during dental pulp stem cell differentiationHUANG Xiao-feng, GE Jian-ping, JU Yan-qin, XU Duo, JIANG Cheng-zhi, ZHAO Shou-liang245-248,3062Effects of advanced glycation end products on the osteogenic differentiation of human periodontal ligament stem cellsDENG Chao, WU Yan, YANG Kun, CUI Xiao-xia, XIA Jia-jia, WANG Lan, LIU Qi, JIN Yan249-2543Effects of advanced glycation end products on proliferation of human periodontal ligament stem cells and Wnt signalingWU Yan, DENG Chao, YANG Kun, CUI Xiao-xia, XIA Jia-jia, WANG Lan, LIU Qi, JIN Yan255-2594Isolation and characterization of Enterococcus Faecalis from retreated root canalsWANG Xiao-qin, CHENG Xiao-gang, ZHAO Chun-miao, LU Hong, TIAN Yu, YU Qing260-2655Construction of three-dimensional finite element model of uncomplicated crown cross fractures and four reattachment preparation techniques on the basis of central incisorZHONG Hui, WU Bu-ling, GAO Jie, XU Wen-an266-2706Establishment of a mandibular bilateral distal-extension edentulous photoelastic model of implant-supported overdenturesLI Yu, ZHANG Shao-feng, SONG Fang, CHAI Zhi-guo, WANG Shao-hai, SHEN Li-juan271-2747In vivo fixation of strontium-substituted hydroxyapatite titanium implants with increased surface roughnessYANG Hao, SHEN Li-juan, YAN Jun, HAN Yong, ZHANG Yu-mei275-2798Effect of core/dentin thickness ratio on the fracture load of IPS e.max all-ceramic crownJIN Hai-li, SHENG Li-juan, DUAN Yuan-yuan, SUN Zhi-rong, DENG Zai-xi, LIU Geng, JIA Jun280-283,3019Platelet rich plasma as direct pulp capping agent:An experimental study in dogsSHI Zhen, QU Tie-jun, CHENG Wei, ZHANG Ya-qing, FAN Xiao-min284-28710Comparison of compressive strength of class Ⅱ cavities restored with ART approach using four kinds of dental materialsLIU Xiao-gang, ZHANG Ya-qing, LI Shi-bao, FAN Xiao-min288-29111Epidemiological research on factors related to tooth loss of aged populationPEI Pei, MIAO Li, ZHANG Min, ZHANG Song-tao, CHEN Yong-jin292-29412Clinical evaluation of the effect of Cortisomol sealer on infected root canal therapyLIU Ying-ting, ZHANG Yu-hao295-29713Research progress on the role of Dkk-Wnt signaling pathway on tooth developmentWU Ye-ke298-30114Research progress on the relationship between Lactobacillus and Streptococcus mutans in cariesWANG Qin-hua302-306 