1Comparison of microbial community of apical periodontitis with and without sinus tractQI Zheng-nan, YIN Jun, TANG Zi-sheng, LIU Ying, ZOU Yan1-62The influence of sucrose and xylitol on the interaction between Streptococcus sanguis and Streptococcus mutansZHAO Guang-jie, ZHAO Yan-xia, JIANG Xin-ya, LI Bei-lei, CHU Jin-pu, LIU Xue-jun7-11,203Establishment of experimental apical periodontitis and pulp revascularization model in the first mandibular molars of miceCHEN Jia-jing, WU Bu-ling, XU Wen-an, CHEN Qiu-yue, LYU Wan-yu, Yi Si, QU Qian, LYU Xiao-lin12-16,444Preliminary study on the influence of molar crown central region microstructure on the bending strength of dentinLIU Qing, HOU Tie-zhou, TAO Hong, HOU Si-yu, Ma Jing, SHI Xin17-205In vivo study of osteogeneticablity of porous titanium modified by nanotubesCHANG Bei, HAN Tian-xiao, LI Fu-ping, KOU Hong-chao, ZHANG Yu-mei21-256Evaluation of the bond strength of ceramic to machine-milled Ti2448 and pure titaniumTAN Yong, GAO Bo26-307Three-dimensional analysis of root canal system of the maxillary first molars of Uygur subjectsLI Yan, YU Qian, SUN Yu-liang, ZHAO Jin31-348The effect of bioactive glass combined with Er laser desensitizing treatment on the bond strength of nanometer resin to dentinWANG Jie, YANG Jia-jia, CHEN Ya-ming35-38,549An evaluation of enamel decalcification following orthodontic treatment with fixed applianceYAO Hong-ying, ZHU Lin, YUAN Jia-lu, WU Hai-yan, SUI Wen39-4110Clinical evaluation of the effects of Er:YAG laser in the treatment of cervical wedge -shaped defectsYANG Wen-dong, WANG Xin, MA Lin, LI Qian, LI Zhen, ZHANG Jie, GUO Chun-lan, WU Xuan, CAI Wen, ZHAO Ji-zhi42-4411Misdiagnosis of Florid cemento-osseous dysplasia leading to unnecessary root canal treatment:A case reportCHEN Jun, LYU Fen-yuan, YAO Zhi-gang, LI Bin-bin, ZENG Qiong-qiong, DU Cui, LIN Yun, DU Hui-yang, LIU Bin-jie45-4612The mechanism and regulation of tertiary dentin formationPANG Yu-xuan, YIN Shuo, ZHANG Juan, LI Jiang47-5413Progression of the treatment of deep caries in deciduous teethZHANG Bai-ze, XU Yong, WU Li-zheng, GE Xin, WANG Xiao-jing55-5914Investigation of the teaching program of periodontology for the undergraduates in ChinaZHONG Jin-sheng, HU Wen-jie60-62