1Function preservation and rebuilding of the alveolar boneWANG Jing-juan, ZHOU Hong-zhi, DING Yu-xiang, HU Kai-jinSYMPOSIUM577-5812Minimally invasive technology to protect alveolar boneLI Yuan, HU Kai-jin, XUE YangSYMPOSIUM581-5853Immediate function stimulating and alveolar site preservationWANG Tian-jue, HU Kai-jin, LI Yong-fengSYMPOSIUM585-5884Decompression technique and regeneration of alveolar boneMO Jing-zhen, ZHANG Shu-yin, HU Kai-jin, ZHOU Hong-zhiSYMPOSIUM589-5925An improved method of alveolar ridge preservationCHEN Jiang-hao, HU Kai-jin, ZHOU Hong-zhi, DING Yu-xiangSYMPOSIUM592-5956Reconstruction of lost papilla using periodontal mucogingival surgical technique combined with crown restoration: A case analysisWANG Hao-jie, XU Tao, HU Wen-jie, LIU Yun-song, BU YingORIGINAL CONTRIBUTIONS596-6007Comparison of clinical application between improved vacuum formed space maintainer and traditional band and loop space maintainerHUANG You, LU Shi-jun, WANG LinORIGINAL CONTRIBUTIONS601-6048Study on the influence of different angle projection for digital X-ray on detective rate of multiple canals in mandibular first premolarTIAN Rui, CAO Xiao-ming, ZHAN Fu-liangORIGINAL CONTRIBUTIONS605-607,6119Effect of ozone water on the expression of IL-6 in periodontal tissues of rat with periodontitisYU Jing, SU Tao, ZHAO Gang, LI Jing-ling, LI Chang-shengORIGINAL CONTRIBUTIONS608-61110Study on the change pattern of heart rate, blood pressure and blood oxygen saturation during tooth extraction in patients with hypertensionQIAN Fu-min, MA YangORIGINAL CONTRIBUTIONS612-61511Effect of various nickel-titanium instruments on apically extruded debris: An in vitro studyZHANG Ling, SHI Fei, ZHU Lin-lin, ZHANG Meng-longORIGINAL CONTRIBUTIONS616-61812@@619-62013@@621-62214Research progress on piezoelectric materials for bone replacementWANG Li-weiREVIEW623-62815Application of cone-beam computed tomography to the clinical diagnosis of temporomandibular jointCUI YanREVIEW629-63316Research advance of the surface modification of nickel-titanium instruments and its effect on the propertyQIAN Xin, KANG Guo-peng, FAN Hong-xia, WEI Yan-pei, YU Jing-taoREVIEW634-63717@@638-640 