1The clinical treatment of pulpitis or apical periodontitis secondary to distal caries in mandibular second molars due to impacted mandibular third molarsYANG Zi, WANG Wen-ting, ZHANG ChenSYMPOSIUM·DIAGNOSIS AND TREATMENT STRATEGIES FOR ENDODONTIC DISEASES257-2642Clinical application and prospect of vital pulp therapy in irreversible pulpitis of mature permanent teethWANG Ming-hao, ZHU Xiao-miao, HE Wen-xiSYMPOSIUM·DIAGNOSIS AND TREATMENT STRATEGIES FOR ENDODONTIC DISEASES265-2703Control of complications during removal of separated in-struments within root canal systemZHAO Jing-wen, XIAN Hang, XUE MingSYMPOSIUM·DIAGNOSIS AND TREATMENT STRATEGIES FOR ENDODONTIC DISEASES271-2754Considerations for clinical management of teeth involved in jaw bone cystic lesionsLIU Xiao-yu, HUANG Zheng-weiSYMPOSIUM·DIAGNOSIS AND TREATMENT STRATEGIES FOR ENDODONTIC DISEASES276-2835Meta-analysis of the application effect of autologous platelet concentrates as the sole graft for maxillary sinus floor augmentationLIU Qiu-yang, LAN Si-qun, XU Ding-wei, LIANG Jun-wei, SHAN Yu-chen, LIN Hai-yanORIGINAL CONTRIBUTION284-2936Analysis of improved alveolar bone mass measurement method based on cone beam CTGUO Xiang, WANG Yi-ming, LIU Ru-lei, TENG Teng, XUE Yang, ZHOU Hong-zhi, HU Kai-jin, DENG Tian-geORIGINAL CONTRIBUTION294-2987Study on the efficacy of platelet-rich plasma gel combined with compound betamethasone in the treatment of erosive oral lichen planusWANG Ya-jiao, SHEN Meng-yuan, WANG Yan, TANG Jia-lu, MENG Jian, HAN Li-ang, ZHENG HaoORIGINAL CONTRIBUTION299-3058Effects of Er∶YAG laser debonding on the properties of all-ceramic materialsCAI Chun-yan, ZHONG Bing-jie, LI Xiao-ting, JIANG Lei, LU Zhi-cen, YU HaoORIGINAL CONTRIBUTION306-3129Study on the influence of wiping method on the bacteria content of output water from air-rotor handpiece con-nector of dental unitsZHAO Dan-dan, LI Qing-xiang, YU Ya-ting, DU Li-na, CUI Nian-huiORIGINAL CONTRIBUTION313-31710Comparative study of head and neck postures in patients with different sagittally oriented osseous malocclu-sionsLUO Wen-xin, CHEN Li, DENG Hao, XIAO Chu-qiao, CAO Yi-shan, CHENG Qian, XIONG XinORIGINAL CONTRIBUTION318-32511Efficacy study of vital pulp therapy using different biomaterials for management of carious pulp exposure in mature permanent teethSHI Jing-hua, ZHANG Lei, LIU Shuang-feng, MA Juan, JIN Fei-xiang, CHANG Na, SONG Xiao-xia, LI Rong-hui, KANG Wen-yan, MAN Du-laORIGINAL CONTRIBUTION326-33112Study on the effect of combined application of digital slice-based micro-lectures with flipped classrooms in the practical teaching of oral histopathologyLI Bei, LIU Yuan, REN Li-li, HE Xiao-ningCOLUMN OF STOMATOLOGY EDUCATION AND RESEARCH332-335,34113Analysis and prospect on entrustable professional activity assessment to promote the reform of stomatology practice educationCAO Yu-bin, JIANG Zhi-shen, PAN JianCOLUMN OF STOMATOLOGY EDUCATION AND RESEARCH336-34114Research progress on the role of autophagy in peri-implantitisWANG Yu-xi, SONG Ying-liangREVIEW342-347,35315Research progress on therapy for peri-implantitisZHOU Ting-hui, OU Guo-minREVIEW348-35316Progress in the study of demineralized dentin matrix as a new bone graft materialHE Ang, XING Jin-song, GUAN Wen-zhao, MA Yu-fengREVIEW354-35917Determination method of facial soft tissue anatomical landmarks and its application in stomatologyLI Tian-ge, WANG Ying-da, ZHUANG Zhi-nuo, AI Jun-yu, LIU Bei-yang, YAN XuREVIEW360-364,37118Research progress on the application of adipose stem cells in periodontal tissue regenerationXU Ming-jie, WANG Jin-heng, XIE Xu-dong, XU Chun-mei, WANG JunREVIEW365-37119Research progress on the mechanism and prevention strategy of early childhood cariesLUO Wen-qiong, DONG Xu, ZOU YangREVIEW372-37620Research progress on the influential factors and treatment of the maxillary transverse deficiencyFENG Jin-nan, MI Yan-ling, WEI Dan-ni, REN JuanREVIEW377-381 