1Risk and treatment strategy of temporomandibular disorders during orthodontic treatmentDING YinSYMPOSIUM257-2602Occlusion equilibration before completion of the dental orthodontic treatmentWANG Mei-qing, QI Kun, XU Yi-feiSYMPOSIUM261-2643Effect of functional occlusion in orthodontic diagnosis and treatmentFENG XueSYMPOSIUM264-2694Clinical features of lingual orthodonticsLIANG Wei, LIN Jiu-xiangEXPERT LECTURE270-2745Quantitative analysis of alveolar bone level using AutoCAD software on panoramic and intra-oral radiographsLAN Xiao-min, REN Xiu-yun, QIAO Yue-eORIGINAL CONTRIBUTIONS275-2776Clinical effectiveness of crown lengthening surgery on the fixed prosthesis of maxillary anterior residual rootORIGINAL CONTRIBUTIONS278-2817Curative effect observation of buccal soft tissue defects with heterogeneous and allogeneic acellular dermal matrixJIN Xin, ZHOU JianORIGINAL CONTRIBUTIONS282-284,2888Influence of Er∶YAG laser irriadiation of different time on dentin adhesive strengthWANG Wei, ZHAO BinORIGINAL CONTRIBUTIONS285-2889An in vitro investigation of the influence of filler volume upon flexural strength and compressive strength of flowable compositeCHU Xiao-yu, XIE Yao, SUN Zhi-hui, LIU Feng, WANG Shi-mingORIGINAL CONTRIBUTIONS289-29110Clinical application of zirconium dioxide inlay to the type Ⅱ cavity of posterior teethLI Jing, HONG Yan-song, AI Hong-junORIGINAL CONTRIBUTIONS292-29411Expression and significance of ornithine decarboxylase in oral leukoplakiaPU Guang-rui, LI Song-yan, ZHANG HongORIGINAL CONTRIBUTIONS295-29812Progress of application of platelet-rich fibrin to periodontal bone graftingLV Xin-xinREVIEW303-30513Research advances of chitosan in bone tissue engineeringSONG Xue-lian, YU Jing-tao, LIU Yang, SUN Ying-yingREVIEW306-31014Animal models of tongue cancerLIU Yang, ZHAN De-songREVIEW311-316 