1Diagnosis,treatment and prevention of limited odonto-genic infectionZHANG Shu-yin, MO Jing-zhen, LI Guo-wei, LI Yuan, HU Kai-jinSYMPOSIUM257-260,2652Diagnosis,treatment and prevention of limited glandular tissue infection in oral and maxillofacial regionLIU Ping, HU Kai-jin, LI Yuan, XUE Yang, ZHANG Ze-wei, ZHOU Hong-zhiSYMPOSIUM261-2653Diagnosis,treatment and prevention of limited oral and maxillofacial specific infectionMA Yang, DENG Tian-ge, HU Kai-jin, LI Yuan, XUE YangSYMPOSIUM266-2704Diagnosis,treatment and prevention of limited oral trau-matic infectionLIU Chuan, LI Yuan, ZHANG Wu-yang, HU Kai-jin, XUE YangSYMPOSIUM271-2745Clinical considerations for intentional replantation of teethZHU Han-yi, HUANG Zheng-weiEXPERT LECTURE275-2816Exploration and practice of the teaching model in periodontal clinical training for undergraduate dental stu-dentsCAO Jie, XU Yan-geng, HU Wen-jieCOLUMN OF STOMATOLOGY EDUCATION AND RESEARCH282-2867Course design and practice of the national continuing education program of dental implant therapy for patients with periodontitis:a preliminary explorationSHI Dong, HU Wen-jie, MENG Huan-xin, LIU JianCOLUMN OF STOMATOLOGY EDUCATION AND RESEARCH287-2908Effect of the application of e-learning in undergraduate education of oral medicineWU Fang-long, YANG Zheng, ZHOU Hong-meiCOLUMN OF STOMATOLOGY EDUCATION AND RESEARCH291-2949Analysis of maxillary sinus pneumatization and its related anatomical features by cone beam computed tomog-raphyWU Xing-sheng, ZENG Yong-fa, ZHANG Fu-bao, GUO Tian, SHI Lian-shuiORIGINAL CONTRIBUTION295-30110Preferences of smile index in Han Chinese population in FujianSU En-dian, CHEN Ying-hui, CHENG Hui, YU HaoORIGINAL CONTRIBUTION302-30711Apical pressure measurement of Er∶ YAG laser activated endodontic therapy under different frequency and pulse energyLI Yi-zhou, HE Xin-yu, NIE Ming-yuan, YU Yue, LEI Zheng-hui, PAN Chong, ZHAO Ji-zhiORIGINAL CONTRIBUTION308-31112Effects of tension on endoplasmic reticulum-mitochondrial contact and osteogenic differentiation of periodon-tal ligament stem cellsYANG Kuan, BAO Li-hui, ZHANG Cai-di, ZHAI Qi-ming, DI Tian-kai, WANG ShuangORIGINAL CONTRIBUTION312-31613Effects of chlorhexidine gluconate on sinoporphyrin sodium bound by Porphyromonas gingivalisSONG Yu-qi, WANG Pei-chen, WANG Xiao-chun, SUN Ling-ling, BI Liang-jiaORIGINAL CONTRIBUTION317-32214Preparation and application effect evaluation of polyclonal antibodies against Porphyromonas gingivalis and Fu-sobacterium nucleatumZHANG Zhi-ying, LIU Dong-juan, PAN Ya-pingORIGINAL CONTRIBUTION323-32715Systematic review of anatomical variation of mandibular canal based on cone beam computed tomography im-ageZHONG Shuang-ze, LI Jia-ling, WANG Tie-meiORIGINAL CONTRIBUTION328-33216Clinical application of digital surgical technique in mandibular defect repairLIU Fu-lai, LI Zhi-ping, MENG Jian, GE Liang-yuORIGINAL CONTRIBUTION333-33717Analysis of the proportion of oral and maxillofacial tumors,cysts and tumor-like lesions in 1953 cases in Wu-han from 2013 to 2017NING Bao-shan, GENG Jin-huanORIGINAL CONTRIBUTION338-341,34618Preparation and performance analysis of Ch-AuNPs/ITGB6 coating on pure titanium surfaceHU Qing-wei, DENG Xiao-ling, ZHONG Ming, HUANG Wen-xia, XU Ming-yanORIGINAL CONTRIBUTION342-34619Research advances in the effects of microenvironment on dental pulp regenerationWANG Xue-chun, BI Jing, CHEN XuREVIEW347-35020Research progress in the establishment of mice model of bisphosphonate-related osteonecrosis of jawWANG Yi-ming, ZHANG Wu-yang, LI Chen, LI Deng-ke, MA Zhen, HU Kai-jin, XUE YangREVIEW351-355 