1Expression of SNAI2 in oral squamous cell carcinoma and its effect on cell proliferation and invasionZHANG Chu-chu, BAI Ying, LI Fu-jun, JIN Can-huiORAL AND MAXILLARY SURGERY2-72Clinical observation on the removal of senile oral mucocele by diode laser surgeryWANG Li-zhe, GAO Yuan, ZHU Na, RAN An, GONG Na, ZHAO Hui-qin, LI Hong-shiORAL AND MAXILLARY SURGERY8-11,443Clinical effect of minimally invasive combined with four-handed technique in extraction of impacted mandibular teeth in the elderlyLIU Bing, ZHU Xiao-ru, DENG Tian-zheng, PANG Jian-liangORAL AND MAXILLARY SURGERY12-144The effect of subgingival glycine powder air-polishing used as an additional approach on elderly patients with type 2 diabetes and chronic periodontitisGUO Dan-fei, XU Guo-chao, ZHANG JieAGDE ORAL MUCOUS DISEASE17-215A preliminary study on the effect of intraoral bone conduction device on abutment teethSHI Quan, XI Xin, MENG Pan-pan, FAN Jia-hui, ZHANG Xian-huaAGDE ORAL MUCOUS DISEASE22-256Clinical research on titanium mesh and collagen membrane using in implantation of severe labial bone defect of anterior teethWANG Xian-li, WANG Guo-qing, ZHAO Xi-bo, SHI Lei, YUAN Qing-min, LIU Hui-juan, YANG Se-feiAGED ORAL REHABILITATION26-307Analysis of influencing factors of food impaction between implant fixed denture and natural adjacent toothWEI Min-jie, GUO Qiao-ling, LIU Yan-mei, JU Hua-long, WU FengAGED ORAL REHABILITATION31-348Study on sealing properties and adhesive strength of novel calcium silicate-based biomaterials for apical retrofillingZHANG Jun-ling, HE Lu, LIU Ming-xiang, WANG Hong-yuan, LI HongPROSTHODONTIC MATERIAL RESEACH35-39,649Overview of the application of artificial intelligence technology in clinical medicineZHANG Rong, LIU Hong-chenINTRODUCTION TO NEW TECHNOLOGIES40-4410Thought on improving the doctor-patient communication ability between dental clinical interns and elderly patientsHAN Xue, XU Yi-quan, LIU Hong-chenORAL MEDICINE EDUCATION45-4711Research progress in antibacteria properties of titanium dioxide nanotube used for dental implantationWANG Hao-yang, MENG Wei-yanREVIEW49-5312Research progress in the design of implant-supported fixed full-arch prosthesisCAO Zhi-long, LI XiaoREVIEW54-5913Research progress on fatigue performance test method of removable partial denture claspBIAN Xiao-yu, LI Feng-lanREVIEW60-64 