1Evaluation of the ecological safety of pacA-ctxB and pacP-ctxB gene transgenic tomatoBAI Guo-hui, LIU Jian-guo, TIAN Yuan, CHEN Zhu, BAI Peng-yuan, HAN Qi, GUAN Xiao-yan, ZHANG Jian245-2492Preliminary study on the detection of Porphyromonas gingivalis using electrochemical methodPEI Zhen-hua, ZHU Tao, SHI Sheng-gen, WEN Ying, TANG Chu-hua, XIONG Chun-yang250-2533The microbiotal composition of subgingival plaque and saliva in chronic periodontitisLIU Ying, WU Ming-tao, CHEN Hui, PANG Xiao-yan, ZHAO Li-ping, TANG Zi-sheng254-258,2754Expression of matrix extracellular phosphoglycoprotein in periodontal wound healingWANG ban, LIU Zong-xia, WANG Peng, LIU Rui-gang, LI Shu259-2625Root anatomy of maxillary first molars in people from WenZhou regionWANG Min, WEI Yong-zhen, PAN Yi-huai263-2666A comparison of different techniques for obturating oval-shaped root canalsWANG Yan-ping, LI Song, WU Guang-yuan267-2717Finite element anslysis of all-ceramic crown based on continuous variation of veneer and core thicknessesWANG Wei-guo, ZHANG Shao-feng, CHEN Jian-jun272-2758Three-dimensional finite element analysis of stress distribution in teeth with wedge-shaped defects restored by three different techniquesLIN Na, XU Ying, YIN Han-wen, MAN Da-peng276-2799Root canal morphology of permanent teeth in dogsGU Yong-chun280-28310Analysis of the bonding strength between universal and flowable FiltekTM Z350 nano-filled resin compositesXU Hai, YU Jin-hua, WU Jin-tao, LIU Wei-hong, ZHANG Guang-dong284-28711Periodontal attachment loss in patients with type 2 diabetes mellitusSHI Tian-peng, NIU Zhong-ying, SHI Sheng-gen, XU Zhang-rang, LU Yi, TANG Chu-hua288-29012Application of root canal treatment in the treatment of periodontal abscessTAN Bao-chun, XIAO Jian-ping, WU Wen-lei291-29313Effectiveness of microscopic ultrasonic technique on treatment of calcified canals:a clinical analysisWANG Xia-yong, PENG Bin294-29714The regulation of Notch signaling pathway in the proliferation and differentiation of dental pulp stem cellsWU Xi298-30215Methods to improve clinical teaching quality in restorative dentistry and endodontics clinical teachingRONG Li303-304,283