1Noninvasive screening and intervention of oral potential malignant disordersSHI Jia-hong, ZHOU Hong-meiSYMPOSIUM705-7082Relationship between oral lichen planus and systemic diseasesZHOU Ting-ting, HUA HongSYMPOSIUM709-7123Oral immunological diseases associated with skin lesionsZHANG Ying, CUI DanSYMPOSIUM713-7174Association between periodontitis and rheumatoid arthritis: a Meta-analysisLIU Shan, ZHANG JieORIGINAL CONTRIBUTIONS718-7235Expression of COX-2 and MMP-9 in periodontal tissue of experimental cerebral ischemia ratLI Chun-nianORIGINAL CONTRIBUTIONS724-7276Study of osteogenesis of Beagle dog PDLCs infected by recombinant adenoviral vector Ad5-hOPG-EGFPTANG Kun-qi, YAN Fu-huaORIGINAL CONTRIBUTIONS728-7337Effect of photodynamic therapy on A253 cells of submandibular gland squamous cell carcinomaWANG Yue-ping, ZHUANG De-shu, LIU Xu, BI Liang-jiaORIGINAL CONTRIBUTIONS734-7388Three-dimensional measurement and cluster analysis of craniofacial structures in patients with facial asymmetry deformitiesWANG Xue, YAN Guang-qi, ZHANG Gui-rong, LI Ji-qiang, LIU Ji-hui, ZHANG YangORIGINAL CONTRIBUTIONS739-7449Evaluation of the clinical result of painless minimally invasive extraction in alveolar surgeryBRIEF ORIGINAL CONTRIBUTIONS745-74610Advances in studies on the antimicrobial Ag-loaded coatings on titanium implantFENG Yu-xiaREVIEW747-75011Study progress on transient receptor potential ankyrin1 and its involvement in orofacial painLI BoREVIEW751-75412White spots lesion on teeth in orthodontically treated patientsRAO Nan-quan, HUANG Shi-yan, XU Shu-hao, LI Xiao-bingREVIEW755-75913Methods to construct the centric relationXIAO Sheng-zhao, TAN Jian-guo, REN Guang-hui, SUN Xin, LIU Zhong-haoLECTURE760-76414One case report of 5 root canals in the left maxillary first molarsLIU Jin-feng, ZHANG Hong, ZHANG Zhi-minCASE REPORT765-76615Instrument separation and missing root canal in mandibular central incisor :A case reportCASE REPORT767-768 