1Evaluation of temporomandibular joint in clear alignerYAN Yu-wen, LIU YiSYMPOSIUM385-3882Characteristics of condyle shape and position before and after orthodontic treatment for Angle class Ⅱ malocclu-sionZHENG Bo-wen, HE Jia, LIU YiSYMPOSIUM389-3923Advances in the research of condylar positioning techniques in orthodontic-orthognathic treatmentHE Chao, LIU YiSYMPOSIUM393-3974Research progress in orthodontic involvement in multi-modality treatment for temporomandibular disordersGAO Bo-tao, LIU YiSYMPOSIUM398-4015Advances in the research of treatment for temporoman-dibular disorders of masticatory muscle disordersREN Ling, ZHAO Yang, LIU YiSYMPOSIUM402-4066Research progress in the treatment and differential treat-ment of myalgia in temporomandibular joint disordersLIU YiSYMPOSIUM407-4117Considerations and treatment strategies of periodontal soft and hard tissue problems related to orthodontic treatmentZENG Yu, WANG Xiao-xuan, CHU Yao-yao, ZHANG Ai-juan, HUANG Chuan, HE Hong, CAO Zheng-guoEXPERT LECTURE412-4218Evaluation of the clinical effect of annular bone block embedded in sinus floor elevationWU Song-song, WANG Mo-han, HE Jia-caiORIGINAL CONTRIBUTION422-4269Influence of different placements and base widths of retentions on the custom-made root analogue implants:a three-dimensional finite elements analysisXUE Yan-qing, YAN XuORIGINAL CONTRIBUTION427-43310Analysis of nasopalatine canal morphology and its influencing factors based on cone beam CTGUO Yi, XIA Qian, LI Ying, DONG QiangORIGINAL CONTRIBUTION434-438,44311Three-dimensional finite element analysis of the effect of mini-implant position on maxillary first molar intrusionWANG Qiao-jing, HUANG Zhen-xianORIGINAL CONTRIBUTION439-44312Study on the role of miR-138-5p on odontogenic differentiation of human dental pulp stem cells by microin-flammatory stateYAN Xiao-yuan, ZHANG Ze-ying, YU Shi-wen, QIU Qiu-jing, WEI Peng-gong, GUO Jia-jie, QIU Li-hongORIGINAL CONTRIBUTION444-45113Study on the factors influencing the detection of Candida albicans and dental caries in children aged 3-5 years in Baise City,GuangxiJIANG Yi-ling, MO Dan, ZHANG Yi-shan, DENG Si-cheng, GAO Wan-shan, QIU Rong-minORIGINAL CONTRIBUTION452-456,46114Clinical effect of free latissimus dorsi flap in repairing large soft tissue defects of oral and maxillofacial region in 38 casesFU Xiao-meng, SUN Hai-bin, WU Hong, HAN Zheng-xueORIGINAL CONTRIBUTION457-46115Study on the effect of the application of the ladder decompression with blood-driven bandage in the prepara-tion of the free fibular flapHU Li-wei, XIU Qing-hua, DUAN Xiao-hong, Krishna Sigdel, XIE Hui-xu, LIU FanORIGINAL CONTRIBUTION462-46616Effect of integrated teaching mode of problem-based learning combined with case-based learning applied to clinical teaching of stomatology:a Meta-analysisYANG Ran, SHUI Yu-sen, WANG Yan, WANG Liao, ZOU Jing, ZHANG QiongCOLUMN OF STOMATOLOGY EDUCATION AND RESEARCH467-47317Research advance in clinical features and strategy of prevention and treatment of facial asymmetryPING Cuo-wangmu, ZHOU Xin, CHEN Li-liREVIEW474-48018Common dental diseases in orthodontic treatment and corresponding treatment strategiesTIAN Ke-yue, WU Xin-yu, LIANG Mu-chun, JIANG Fu-han, YI Jian-ruREVIEW481-48719Research progress of deep learning in image analysis of oral medicineZHU Hong-biao, LIU Qiang-dong, DAI Fang, SONG LiREVIEW488-49220Research progress on the application of bone ring technique in dental implantationWANG Yuan-jing, OU Guo-minREVIEW493-497 