1Selections of dental implant timing in the anterior aes-thetic areaTIAN Si-rui, ZHAO Bao-hongSYMPOSIUM1-72Clinical application of immediate implant technique in aesthetic area of anterior teethHE Jing, ZHAO Bao-hongSYMPOSIUM8-14,213Clinical application of early implant placement in esthet-ic area of anterior teethWANG He-shi, ZHAO Bao-hongSYMPOSIUM15-214Clinical application of alveolar ridge preservation tech-niquesWANG Dan-ning, ZHAO Bao-hongSYMPOSIUM22-265Considerations and treatment strategies of periodontal in-flammation problems related to orthodontic treatmentZENG Yu, CHU Yao-yao, WANG Xiao-xuan, ZHANG Ai-juan, HE Hong, CAO Zheng-guoEXPERT LECTURE27-346Practice on the improvement for the competence of young teachers by collective lesson preparation and calibra-tion——Based on the periodontal preclinical training of dental undergraduateXU Xiao, FENG Xiang-hui, HU Wen-jie, LIU JianCOLUMN OF STOMATOLOGY EDUCATION AND RESEARCH35-387Periodontal diagnosis and treatment ability based on clinical practice staged improvement of undergraduate dental studentsYANG Gang, CAO Jie, HU Wen-jieCOLUMN OF STOMATOLOGY EDUCATION AND RESEARCH39-448Exploration and application on the teaching model of dental digital technology for continuing educationZHAO Yi-jiao, ZHANG Xin-yue, ZHANG Yao-peng, WANG YongCOLUMN OF STOMATOLOGY EDUCATION AND RESEARCH45-499Application of post competency-guided digital teaching resources of prosthodontics in undergraduate practice teachingMENG Meng, SONG Wen, YU Hao-han, QIU Bi-ying, WANG Fu, DONG Yan, ZHANG Ling, NIU Li-naCOLUMN OF STOMATOLOGY EDUCATION AND RESEARCH50-5310Correlation between saliva and subgingival plaque microbial community structure and its influencing factors in patients with implant restorationHUANG Jin, ZHAO Rui, MA Qing, FANG Ming, DONG Yan, ZHANG Ling, JI Zhao-hua, TIAN Min, CHEN Ji-huaORIGINAL CONTRIBUTION54-6111Clinical effects of periodontal-orthodontic treatment for maxillary incisors with fan-shaped driftLI Jing-wen, LEI Lang, LI Hou-xuanORIGINAL CONTRIBUTION62-6912Clinical evaluation of implant-supported prostheses with cantilever in short and mid-term periodZHANG Xian-yu, ZHAO Peng, XU Jia-lin, WU Hao-yangORIGINAL CONTRIBUTION70-7513Clinical study of osteogenic effects of advanced platelet-rich fibrin in maxilary sinus floor elevationLIU Li-ang-liang, WANG Ning, ZHONG Wei-jian, MA Guo-wuORIGINAL CONTRIBUTION76-8114Study on related factors of refractory periapical inflammationABUDUSAIMAITI Mayire, AINI Reziya, CHEN Xiao-tao, KERANMU RexiatiORIGINAL CONTRIBUTION82-86,9215Comparison of shaping ability of different mechanical nickel-titanium instruments in severely curved root ca-nalsLI Yan-zhi, LI Xia, SHI Xiao-yu, LU Tong, FENG Rui-mingORIGINAL CONTRIBUTION87-9216Application research progress of carbon nanomaterials in guided bone regeneration membranesZHOU Hong-ling, WU Ye-ke, ZHAO Li-xingREVIEW93-9817Research progress of the regulating effects of different B-cell subsets on osteoclasts regulation in periodontitisBAI Zhuo-ping, ZHAO Yu-tong, LI Ying-yi, ZHANG Chu-han, LI ChenREVIEW99-10318Oral anatomy and physiological structure and model establishment of periodontitis experimental animalsHAO Si-wei, DING Bai-chen, LIU Meng-die, HU Wei, GUO BinREVIEW104-10919Research progress in surface nanocrystallization methods of implants and their biological effectsFANG Yu-qing, ZHU Yu-he, WANG WeiREVIEW110-11620Research progress on the margin of ceramic partial veneers of anterior teethFAN Rong-hui, WU FengREVIEW117-124 