1Risk factors and management of common biological com-plications of immediate implantation in the aesthetic zoneDONG Shuo, TANG Chun-boSYMPOSIUM•COMPLICATIONS OF ORAL IMPLANT RESTORATION(2)129-1342Etiology and clinical treatment of apical peri-implantitisPENG Yi-qing, HUANG Yuan-dingSYMPOSIUM•COMPLICATIONS OF ORAL IMPLANT RESTORATION(2)135-1403Analysis of the causes of clinical complications in"All-on-4"edentulous jaw implant fixation repair technologySUN Liang, QU ZheSYMPOSIUM•COMPLICATIONS OF ORAL IMPLANT RESTORATION(2)141-1454Comparative study on the effect of digital prefabricated restoration and conventional temporary restoration for continuous multi-dental implants in the aesthetic areaWANG Na, XIA TingORIGINAL CONTRIBUTION146-1525Comparative study on the application effect of minimally invasive distal triangular flap and envelope flap in mandibular impacted third molar extractionZHANG Kun, LIU Xian, PAN JianORIGINAL CONTRIBUTION153-1576Study on the efffects of in situ rotation surgery on the dental body and periodontal supporting tissues of impact-ed anterior teeth in Begal dogsCHEN Peng, YANG Kuan, JIANG Yu-ran, GE Ze-yang, GUO Ming-zhu, ZHOU Zi-ye, LU Xiao-xi, WANG Xiao-jingORIGINAL CONTRIBUTION158-165,1737Study on the clinical application effect of the artificial intelligence-based objective grading system for orthodon-tic casesWANG Wei, WANG Yu-feng, GONG Bei-wen, WANG Shao-feng, QIAO Qing-chen, SUN Ya-xi, ZUO Fei-fei, WANG Ya-jie, XIE Xian-juORIGINAL CONTRIBUTION166-1738Three-dimensional finite element analysis of attachment design in the clear aligner treatment of extraction and upper anterior teeth retractionCUI Yu-tong, ZHOU Zong-yuan, HAN Yu-jia, TIAN Yu-louORIGINAL CONTRIBUTION174-1799Clinical evaluation of digital repositioning splint in the treatment of temporomandibular anterior disc displace-ment with reductionSUN Hao, WU Xuan, SHI Tao, XING Wen-zhongORIGINAL CONTRIBUTION180-18510Efficacy of different root canal irrigation methods in the removal of Vitapex and apical sealingTANG Zhi-xi, ZHONG Yuan, ZHONG Lin, LU Ming-wei, TIAN Huan, DAI Li-xiaORIGINAL CONTRIBUTION186-19111Effect of CXC chemokine ligand 2 on epithelial-mesenchymal transition of oral squamous cell carcinoma cells infected by Porphyromonas gingivalisJIA Xin-yu, GUO Yan, SUN Yang, GONG Zhong-cheng, GUO Zhi-chenORIGINAL CONTRIBUTION192-19812Characteristics analysis of salivary microbiota in patients with periodontitis and type 2 diabetes mellitusKONG Jing-song, WANG Min, JIN Wei-qiu, YAN Fu-hua, LI Yan-fenORIGINAL CONTRIBUTION199-20513Construction of a mixed teaching system containing BOPPPS teaching model and a novel classroom response system and its application in undergraduates'theoretical learning of periodontologyWANG Chuan, WANG Lei-lei, ZHANG Ai-juan, ZENG Yu, PI Huan, CAO Zheng-guoCOLUMN OF STOMATOLOGY EDUCATION AND RESEARCH206-210,21514Instructional design and practice of stomatology professional courses in undergraduate education integrating with diversified scientific research thinkingYANG Jin, LUO Jing-jing, ZHOU Hong-meiCOLUMN OF STOMATOLOGY EDUCATION AND RESEARCH211-21515Research on the methods and accuracy of impressions in edentulous implant-supported restorationXU Ding-yi, LYU Ming-yue, YI Xiao, YUAN QuanREVIEW216-221,22716Research progresses on the role of maresins 1 in stomatologyWANG Si-ya, DU YiREVIEW222-22717Research progress in the role of deep learning based on intraoral digital photographs in the diagnosis of oral diseasesLUO Kai-hui, TIAN Er-kang, LI JuanREVIEW228-23418Research progress on the influencing factors and evaluation methods of cutting,grinding and polishing perfor-mance of dental zirconia ceramicsCAO Lu-lu, HAN Jian-min, LIN HongREVIEW235-24019Polyetheretherketone periodontal splints:progress in the studies of material properties and clinical perfor-manceLIU Yu-chen, LIU Heng-yan, LI Kang-jie, LI Meng, CHEN Li, TIAN Min, NIU Li-na, BAI Shi-zhu, FANG MingREVIEW241-24620Research progress of root canal irrigation techniques and irrigation agentLI Meng-ya, LU Yan-jun, XU Qing-anREVIEW247-252 