117β-estradiol enhances periostin expression in BMSCs of ovariectimized ratsYANG Xuan-xuan, CAO Meng, YANG Zhen-hua, XUAN Shi-jie, YANG Yan, LI Zhong, DING Yin703-7072Age-related changes of heat shock protein expression in the dental pulp of SD ratsLI Rui-min, ZHANG Jing, LI Xiao-jie, DONG Wen-liang, GONG Juan, ZHAO Li-ping708-711,7323Relationship of E-selectin S128 R genetic polymorphisms with chronic periodontitis and coronary heart diseaseLUO Zhi-xiao, LI Jing, AI Jun, JIANG Ling, CHEN Rui712-7154The effects of different chemical etching agents on the surface morphology and flexural strength of fiber postsCHAI Yuan, YUAN Shen-po, LIN Hong, SUN Zhi-hui, NIU Guang-liang716-7205Influence of the buccolingual morphology of the crown on the buccolingual pressure of the abutment for the mandibular first molarLIN Ping-ting, WANG Hui, LI Xiao, GAO Jing, CHEN Ji-hua721-724,7156Changes of root surface temperature caused by different filling temperatures with B & L system heat sourceTAO Rong, CHUAN Ai-yun, JIANG Wen-kai, ZHANG Ping-hu, NI Long-xing725-728,7077Initial analysis of the profile of Xi′an adults with individual normal occlusionYANG Yan, CAO Meng, FU Shan-min, GUI Lin-yuan, XUAN Shi-jie, YANG Xuan-xuan, LI Zhong, DING Yin729-7328Incidence and related factors of middle mesial canals in mandibular molars in Chinese Han population:An in vivo investigationYANG Li-Li, ZHANG Yan, ZHAO Shi-jun, ZHANG Shuai, WANG Na733-735,7559Dental plaque control effects of cetylpyridinium chloride mouth wash in orthodontic patientsWANG Wei, HU Yu-qian, ZHANG Qian-yi741-74310Age-related changes of posterior alveolar bone height of maxilla in Chinese populationHU Zhi, LIU Cheng-jiao, ZHOU Quan-sheng, LI Xing-hua, SUN Da-ming, LI Peng744-74611Research progress on the oral microbial community structure and its correlation with clinical diseasesLIU Jing, ZHANG Xin, LI Zhi-yan, ZHAO Chong, CHEN Yun, ZHU De-rui747-75112Management of fractured instruments in root canalsNI Na, YE Jing, CAO Shen, PENG Bin752-75513The practice and approache of disease-oriented education mode in the teaching of dental material scienceGONG Xu, ZHAO Xin-yi, LI Shi-bao, TANG Li-hui756-758