1Influence of apigenin on the cariogenicity of Streptococcus mutansLI Bei-lei, YUE Yang-li, LIU Yao, LIU Xue-jun377-3802The effect of cysteine protease hydrolysis on the pigment reabsorption of residual protein filmZUO Qi-liang, ZHANG Yi, YAO Jiang-wu381-3843Effects of hypoxia preconditioning and AMPK overexpression on proliferative inhibition of dental pulp cells by hydrogen perioxideZHANG Ping, LI Cheng, YU Bo385-389,4184Effects of nicotine on the proliferation and interleukin-8 expression of human gingival fibroblastsSUN Hong-tao, KONG Fan-zhi, GAO Jin-fu390-3925Relationship between TNF-α,IL-1βexpression and insulin resistance in obese rats with periodontitisXU Zhe, NI Jia, XIE Bao-yi, XUAN Dong-ying, ZHANG Jin-cai393-3986Comparison of ProTaper gutta percha and general taper gutta percha in root canal obturationWANG Hong, ZHANG Jun, LIANG Yan, HOU Tie-zhou399-4027Color changes of vital central upper incisor after chairside heat bleachingZHOU Jun-jie, XIE Hai-feng, CHEN Chen403-4068Removal of calcium hydroxide from root canals by different methods:an in vitro studySONG Ying, WANG Ru-yan, ZOU Ling, GAO Yuan407-4109Dental caries survey in 1 ~6 year old children of 1 5 minority groups in Yunnan ProvinceTANG Hong-ping, YANG Fa-bin, YANG Yan-huai, LIU Jin-tao, WANG Xing-tian411-41410Clinical effects of PRP on the treatment of periodontal bone defectsQIAN Wen-hui, XU Yan, SUN Yin, CHEN Wu, GU Ning415-41811Ornidazole and carboxymethyl chitosan gel as an adjunct in the treatment of periodontal diseasesTANG Tao, LI Ruo-xuan, LI Min, XIE Tong, ZHANG Mei-feng419-422,41012‘Nanobacteria’and Periodontal diseasesWANG Si-wei, YANG Lan, LIU Jian-guo424-427,41413The application of laser Doppler flowmetry in oral medicineLIU Fei, GUO Qing-yu428-43214Teaching of Dental Materials in a curriculum of disease-based modeZHAO Xin-yi, TANG Li-hui, LI Shi-bao, GONG Xu433-435