1Influencing factors and preventive strategies of the nickel-titanium instruments separationFENG Rui-ming, XUE MingSYMPOSIUM193-1992Postoperative pain after endodontic treatment:etiological factors and therapeutic measuresHUANG Zheng-weiSYMPOSIUM200-2033Restorative interface of minimally invasive endodontic teeth: details and considerationsXIAN Xue-hong, LI Chen, JIANG Hong-weiSYMPOSIUM204-2084Advances of digital technology in the diagnosis and treatment of pulp diseasePENG Li, WANG Zu-huaSYMPOSIUM209-2135Interrelationships between pulpal and periodontal diseasesZHAO Xin-yu, DU YiSYMPOSIUM214-2176Effects of periodontal ligament cells transplantation treated with human β defensin 3 gene transfection and gold nanoparticles on chronic periodontitis progress in SD ratsLI Ling-jun, ZHOU Jing, CUI Di, XIE Xiao-ting, YANG Wen-rong, YAN Fu-huaORIGINAL CONTRIBUTIONS218-2237Effects of calcined natural bovine bone combined with basic fibroblast growth factor on periodontal intrabony defectsCHEN Tie-lou, ZHANG Xin-hai, QIN Wei-min, WANG Xiao-man, JIANG Yi-feng, REN Zheng-bo, WANG Qi, TANG Da-haiORIGINAL CONTRIBUTIONS224-2288Expression profile of macrophage migration inhibitory factor in serum and gingival tissues of patients with chronic periodontitisXU Qiu-fang, PAN Jia-yu, HOU Jing-ya, WU Yun, PAN Ya-ping, ZHANG Dong-meiORIGINAL CONTRIBUTIONS229-2339Three-dimension finite element analysis of all-ceramic inlay restoration with designed MOD cavities on the stress distribution of toothWEN Cheng-chao, QIU Li-hongORIGINAL CONTRIBUTIONS234-23810Study on the effect of loading of cyclo polypeptides by titanium alloy implants on early bone bindingWANG Zhuo-lin, LI De-chao, LI Mu-qin, LIU Miao, WU Qian, JIAO Yu-feng, LI Chong-qian, HAN XuORIGINAL CONTRIBUTIONS239-24311Research progress of osteogenic differentiation of adipose-derived stem cellsCHEN Long, GUO ShuREVIEW246-24912Research progress in orthodontic tooth movement after trauma and root canal treatmentZHANG Si-shi, ZHANG Jiang-taoREVIEW250-253 