1Orthodontic treatment for patients with periodontal diseaseZHANG Bo, HU Wen-jieSYMPOSIUM385-3892Advances in periodontally accelerated osteogenic orthodonticsZHENG Yan, WANG He-chen, LIN LiSYMPOSIUM390-3943Orthodontic management in aggressive periodontitisWANG Qing-xuan, TIAN Yu-louSYMPOSIUM395-4014Risk factors influencing papilla height around implants and corresponding control strategiesTANG Xiao-lin, WU Qian, FAN Xing-yuSYMPOSIUM402-4065Strategy on restorative and periodontal treatment of failure restorations in the anterior segmentYIN Jia-yueSYMPOSIUM407-4106Three-dimensional finite element analysis on the stress distribution of implants with different anti-rotation abutment designZHANG Xin-wen, JU Sheng-zun, JIANG Lu-lu, LIU Yuan-mei, YU Tian-hao, YAN Xu, LIN Zeng, DENG Chun-fu, ZHAO Bao-hongORIGINAL CONTRIBUTIONS411-4167Evaluation of the surface alterations and the adhesion strength of human periodontal ligament cells on titanium surface treated by pure titanium and conventional ultrasonic scaler tipsWEI Ting-li, LI Hou-xuan, LIU Juan, CHEN Chang-xing, DU Zhi-bin, YAN Fu-huaORIGINAL CONTRIBUTIONS417-4228Effects of dental papillae cells on the proliferation of dental pulp stem cells and its mechanismZHANG Zhong-ti, LI LinORIGINAL CONTRIBUTIONS423-4269Study of extraction of complex impacted mandibular third molars using the dental chair's low-speed straight handpieceZOU Li-dong, WANG Zhi, YU Sen, GAO LiuORIGINAL CONTRIBUTIONS427-43110Evaluation of cone beam computed tomography as an adjunctive method of endodontic treatment for calcified root canalsHAN Li-jun, GAO Jing, CHEN Yao, SHEN JingORIGINAL CONTRIBUTIONS432-43511Effects of sialidase gene deletion on Porphyromonas gingivalis biofilm formation under stressful environmental conditionsTONG Tong, LI Chen, XU Xiao-yu, YANG Xue, GUO YanORIGINAL CONTRIBUTIONS436-44012Advances in research of atherosclerosis with periodontal pathogensXU Wan-yue, PAN Ya-ping, ZHANG Dong-meiREVIEW441-44413@@445-44814@@封3 