1Effects of experimental periodontitis on anxiety-like behavior and gut microbiota in miceYANG Zhong-liang, WANG Jian-hui, LIU Lin, LI Hong-boBASICAL RESEARCH257-2632circRNA EPB41L2 promotes proliferation,migration and invasion of oral squamous cell cells by regulating miR-1270HE Ping, CAO Yang, ZHANG TingAGED ORAL AND MAXILLARY SURGERY264-2703Analysis of wound healing and influencing factors of maxillofacial soft tissue Ⅱ surgery in elderly patientsWANG Jun, GU Ai-ling, WANG Hui-minAGED ORAL AND MAXILLARY SURGERY271-2754Analysis of the effect of Er:YAG laser for periodontal nonsurgical treatmentSHI Lian-rui, XUE Qiang, WANG Feng, LI Zong-ze, HUI Xiu-li, GU JingPERIODONTAL DISEASE IN THE ELDERLY276-279,2935Expression and clinical significance of galectin-3 in elderly oral lichen planus patientsTIAN Li-li, DAI Meng, MALi-liAGDE ORAL MUCOUS DISEASE280-284,3076Observation on the application of CAS-KIT hydraulic lifting method and punch lifting method in maxillary sinus lifting surgeryZHANG Feng-cheng, WEI Ze-ning, LI DanAGED ORAL REHABILITATION285-2887Application value analysis of systematic health education combined with psychological nursing in elderly implant patientsJI Jin-ping, LI BingAGED ORAL REHABILITATION289-2938Study on health information acquisition behavior of elderly patients with oral diseases under the general information acquisition modelWANG Mei-feng, SUN Hong-ying, LIANG Yu, ZHAO Shu-hongGERIATRIC ORAL HEALTH294-2979Research progress of dynamic navigation technique in guided endodonticsCHEN Fei, XUE Peng, Luo Qiang, Wang Lin, He Hui-xia, Li Hong-boREVIEW298-30210Research progress of oxidative stress related to oral diseasesZHAO Fei, YIN Di, FANG Jie, ZHU JingREVIEW303-30711Methods and the new evolution progress of intracanal filling material removing in root canal retreatmentWANG Xiao-han, MIAO Hui, ZHANG JieREVIEW308-31212Advances in the anatomy of the mesial root of the permanent mandibular first molarDING Zhu-wen, CAO Jun-kai, JIANG Yi, LUO QiangREVIEW313-31613Research Progress on the Relationship between S100 protein Family and PeriodontitisLIAO Lu-xia, TAN Ru-qiao, LI Ze-jianREVIEW317-320 