1Nonsurgical strategy for extraradicular infection controlYU JinhuaSPECIAL FEATURE ARTICLE559-5652A study on the antibacterial and anti-inflammatory effects of ClO2-loaded hydrogel on porphyromonas gingivalisYANG Lu, HUANG Rui, ZHANG Aijun, HUANG RuizheBASIC RESEARCH566-5713Exploring shared gene expression and molecular mechanisms of periodontitis and systemic lupus erythematosusJIA Jun, YANG Rongxia, WU Yunhui, GAO Rui, LIU Xiuju, GUO Lei, PENG Guixue, ZONG YingruiCLINICAL RESERCH572-5784A clinical study of Er:YAG Laser vs.Conventional incision-and-suture technique for upper-labial-frenotomy in children during the mixed-dentition stageGAO Yuan, JIA Jingchen, CAI Chengxiong, LI HongshiCLINICAL RESERCH579-5845Study on root and root canal morphology of 792 mandibular first premolarsCHEN Jiajing, CHEN Xiaohua, ZHANG Yan, ZHENG AirongCLINICAL RESERCH585-5896A retrospective study on furcation lesions in primary teeth and root canal treatment prognosisWANG Mingmin, LI Jiaxin, WANG Ruifang, LI YaqiCLINICAL RESERCH590-5957Evaluation of the application effect of plaque observation instrument-assisted individualized oral hygiene education in plaque control for patients with periodontal diseaseSUN Shuang, CHEN Fang, TIAN Beimin, LIU Lingxia, WANG Yanni, YANG Yang, LI Yuanyuan, AN YingNURSING601-6058Research progress on the association between periodontitis and lung cancerBAI Zihe, WANG Pengcheng, WANG ZuominREVIEW606-6119Exploration and practice of a modular teaching model for"Single-tooth diseases"WANG Wei, CHENG Xiaogang, ZHANG Xinhua, TIAN Yu, YU Qing, WANG ShengchaoORAL MEDICINE EDUCATION612-61610The curriculum design and practical of"Multidisciplinary management of complex oral diseases"XU Xinyue, QIU Xinyu, GUO Jing, WANG Jiang, BA Ruikai, GUAN Lingxia, XUAN KunORAL MEDICINE EDUCATION617-620