1Artificial intelligence in endodonticsWANG Lin, GUO Ya-lin, LIU Hong-chenEXPEPT FORUM321-3262Research of erythropoietin on skin keratinocyte proliferation and migration via epithelial-mesenchymal transformation in vitroLI Yu-yang, PENG Hao-ran, ZHAO Yue, REN Shuang-shuang, MIAO Lei-yingBASICAL RESEARCH327-3333Accuracy of CBCT combined with Mimics software to reconstruct maxillary third molar root canal system in vivoZHANG Yi, LIANG Ji-chao, CHEN Bo, HE Liu, PANG Fu-sheng, WANG FenCARIOLOGY AND ENDODONTOLOGY RESEARCH334-339,3434Techniques to reduce excess cement around implant restorations:an in-vitro studyKANG Juan, WU Zi-xuan, ZHAI Yuan-kun, XIE Yan-tingAGED ORAL REHABILITATION340-3435Clinical study of horizontal bone augment during lower anterior dental implantation with tent-screw techniqueZHAO Xi-bo, WANG Guo-qing, LI Fang, ZHOU Lin, LIU Ning, FENG Yan-chuan, DONG Yu-shan, WANG Xian-liAGED ORAL REHABILITATION344-347,3526The application of problem-based learning teaching method combined with role playing teaching method in Endodontics teaching for undergraduatesJIANG Wenkai, LIU Xiaoyan, ZHANG Rong, WANG Diya, YU Qing, WANG Shengchao, ZHANG YaqingCASE REPORTS355-3597Research progress in the antibacterial modification of calcium phosphate coatings on bone related implant materialsGAO Yun-bo, LIU HongSTOMATOLOGY EDUCATION360-3648Surface treatment methods and research progress of dental zirconia ceramicsLI Jian, LI Feng, BAI NaSTOMATOLOGY EDUCATION365-370