1Applied anatomy of dental implant in maxillary sinus areaWANG Shao-hai, XIAO Yi, CHEN Tong, Zulpiye·Abli-kim, ZHU Qing-feng, WANG Ning-taoSYMPOSIUM1-42Minimally invasive maxillary sinus lift techniques via crestal approach with dental implants placement simultaneouslyZHOU Xian, HU Xiu-lianSYMPOSIUM5-113Sinus membrane perforations during maxillary sinus floor elevation by lateral window technique, risk control and managementCHEN Bo, ZHANG Yi-fanSYMPOSIUM12-164Application and progress of bone graft materials in implant dentistryHU Wen-jun, ZHU Jing-kai, MA WeiSYMPOSIUM17-235Effects of the relationship between implant tip and sinus floor cortical bone on posterior maxilla implantation: a three-dimensional finite element analysisXUE Yan-qing, YU Tian-hao, ZHENG Tian-yu, HAN Tong-tong, YAN XuORIGINAL CONTRIBUTIONS24-286Influence of registration markers' shape on the registration accuracy of 3D imagesWU Qin, ZHAO Yi-min, LI Xiang, BAI Shi-zhuORIGINAL CONTRIBUTIONS29-31,367Comparison of the dentinal microcracks after the root canal preparation by four kinds of Ni-Ti rotary instrumentsWANG Quan-yu, BI Wan-ting, XUE MingORIGINAL CONTRIBUTIONS32-368A minimally invasive extraction and site preservation for molars with severe periodontal lesions——A case analysisXU Tao, HU Wen-jie, BI Xiao-cheng, ZHAO Li-ping, WEI Yi-ping, SUN Fei, ZHANG BoORIGINAL CONTRIBUTIONS37-439Investigation of arginine deiminase activity of subgingival plaque in patients with rheumatoid arthritisWANG Shao-feng, ZHAO Xin-xin, LIU Hai-jie, CUI You-chen, BI YingORIGINAL CONTRIBUTIONS44-4710Expression of miR-590 in the oral tissues of patients with oral lichen planus and oral squamous carcinomaWU Yan, TIAN Hong-wei, DU Mei-yiORIGINAL CONTRIBUTIONS48-5111Research progress in the association between Alzheimer's disease and periodontitisTANG Zhi-qun, LIANG Dan, CHENG Miao-ying, WU Hong-kunREVIEW52-5612Research progress in surface treatment methods of oral ceramic restorations after grindingLI Wen-jing, LI Tian-shu, LUO Xue, WANG WeiREVIEW57-6013@@61-6414@@封3 