1Restorative materials in digital dentistry:current situa-tion and prospectMA Yu-han, WANG Zhe, FU Bai-pingSYMPOSIUM·BASIC AND CLINICAL RESEARCH ON ORAL MATERIALS1-52Application and progress of hydrogels in oral tissue engi-neeringSUN Miao, WAN Xiao-rui, TANG Li-ke, FENG Dun-feng, YU Meng-feiSYMPOSIUM·BASIC AND CLINICAL RESEARCH ON ORAL MATERIALS6-153Design and development of new oral barrier membranesMA Bao-jin, GE Shao-huaSYMPOSIUM·BASIC AND CLINICAL RESEARCH ON ORAL MATERIALS16-19,264Research progress of biomimetic restoration materials based on the application of oral craniomaxillofacial hard tissue repairWANG Ye-yuan, LIN Yang-yang, WANG Shu-ze, LI Zhen-ning, WANG Qiang, ZHOU QingSYMPOSIUM·BASIC AND CLINICAL RESEARCH ON ORAL MATERIALS20-265Research progress of collagen membranes based on guid-ed bone regeneration applicationsZHU Meng-di, ZHANG Xi-yue, WANG Qiang, ZHOU JianSYMPOSIUM·BASIC AND CLINICAL RESEARCH ON ORAL MATERIALS27-336Research progress on surface modification of titanium abutment to promote the integration of peri-implant soft tissue and antibacterial propertyBAO Yin-tong, TIAN Si-rui, ZHAO Bao-hongSYMPOSIUM·BASIC AND CLINICAL RESEARCH ON ORAL MATERIALS34-407Clinical effects of immediate implantation and delayed implantation in the posterior mandibular regionXI Yun-hao, FENG Yan, WU Pin-lin, ZHANG Xin, GENG Xiao-qing, LI Xiao-fei, LI Chang-shunORIGINAL CONTRIBUTION41-478Clinical analysis of the efficacy of arthroscopic irrigation combined with repositioning splint in the treatment of acute anterior disc displacement without reductionHAO Wen-jie, ZHANG Xing-an, TAN Xiao-yao, MING Hua-wei, CHEN Fang-yuan, YUAN Zong-yi, HU Qi-shengORIGINAL CONTRIBUTION48-539Three-dimensional finite element analysis of the biomechanical effects of different traction hook heights on dis-tal movement of maxillary caninesLI Yi-ning, PENG You-jian, SHE Wen-ting, LI Ruo-hanORIGINAL CONTRIBUTION54-5910Study on the effect of L-arginine on Streptococcus mutans and Streptococcus gordonii in vitroZHANG Wen, HUANG Xin-yi, GENG Xiao-xi, LI Meng-ya, LUO Jun-jiao, XU Qing-anORIGINAL CONTRIBUTION60-6611Study on the impact of gut microbiota on dental caries based on Mendelian randomization analysisWANG Ya-xin, HU Li, QIAO Liang, ZHOU Li-qun, ZHAO Jia-jiaORIGINAL CONTRIBUTION67-7412The innovative combination and exploration of applying digital sensing technology in the teaching of oral and maxillofacial surgery in the new eraMA Chun-yue, HE Yue, RUAN Min, LIU Jian-nan, HU Jing-zhou, NIU Xiao-yinCOLUMN OF STOMATOLOGY EDUCATION AND RESEARCH75-8013Practice and exploration of the Peking University model for clinical teaching in stomatological emergencyXU Tao, HU Wen-jie, JI Ai-pingCOLUMN OF STOMATOLOGY EDUCATION AND RESEARCH81-8414Research progress on the related factors of cortical bone micro-damage induced by micro-implantation and its impact on stabilityTANG Hua-jing, CUI Xing-yu, LI Yu-lin, YU Hai-peng, LIN Xing-nanREVIEW85-9115Research progress in properties of aligner foil sheet materials and the influencing factorsXU Jia-ning, MA Yan-ning, JIN Zuo-linREVIEW92-9816Research progress of gelatin methacryloyl hydrogel in periodontal disease treatmentGUO Shui-xiang, ZHANG Ge-ge, HU Jin-yue, WANG Li-naREVIEW99-10317Research progress in the application of recombinant human bone morphogenetic protein-2 in the repair of oral bone defectsSU Bi-hao, XU PuREVIEW104-10918Research progress in root and root canal morphology of maxillary second molarsZENG Xiang-ni, HE FeiREVIEW110-114,11919Research progress in the role of molecular hydrogen in the treatment of oral diseasesDANG Qing-qing, HAN Bing, JIN Ling, ZHANG Shi-chen, ZHANG Jia-yu, NIU Ling-xiaoREVIEW115-119 