1Experimental study on the effects of different photosensitizers for photodynamic therapy of dental caries and dental pulp safetyZHANG Lei, ZOU Zhao-hui, LIN Yu-hong, JING Xiao-yan435-439,4702Tumor necrosis factor-α-308 polymorphisim in diabetic periodontitisWANG Xin-xin, XIN Xin, LI Ye, MENG Hao-tian, ZHU Bo-feng, LI Ang, GOU Jian-zhong440-4453The expression of high mobility group box protein 1 in chronic periodontitisand its relationship with smokingSUN Li-zhong, WANG Lin-xuan, WANG Ruo-fan, WANG Qi, MA Wen-qiang, QIU Ya, HAN Mei, MI Fang-lin446-4494Different orthodontic forces on the root development of rat molarsLI Xiao-guang, LIU Shi-chen, XIAO Yuan-yuan, YANG Dong-hong, KONG Yu, LIU Ji-guang450-454,4705Evaluation of bone regeneration in chronic periodontal patients with different degrees of bone defectMA Chong, YU Huan, MA Yong-qiang, DONG Ting-yan, LI Xin-yue455-4606IL-17 F and IFN-γexpression in peri-implant gingival crevicular fluid and the clinical significanceSUN Hui461-4657An investigation on the status of oral health behaviors of armymen and cadetsYAN Jian-fei, ZHANG Xu, CHEN Huo-liang, LI Gang, GUO Jing, JIANG Wen-kai, WANG Sheng-chao466-4708Clinical observation and operation time of Sonic Fill ultrasonic resin in treatment of elderly patients′root cariesWANG Xiao-yu, WEI Mei-rong, ZHU Hong-guang, LIAN Ning, LIU Chun-chun, BAI Jian-wen471-4749Clinical analysis of impacted premolarsPANG Fu-sheng, HUANG Yue-su, WANG Jin, YI Chun-yan, YU Hong-bin475-47810Research progress on multicomponent root canal irrigantsWANG Yu-fei, WANG Yuan-jing, ZENG Yu-hao, LI Ying-xue, ZHANG Ling-lin479-48511The influence factors of post-core on the curative effect of residual roots and crowns of anterior teethLONG Yin, DUAN Jian-min486-49012Establishment of the training systems for the improvement of the clinical quality of stomatological undergraduatesWANG Wei, YANG Fan, LYU Hai-peng, JIANG Yong, YU Qing, NI Long-xing491-493,485