1Implant placement In severe absorption of mandibular alveolar caused by periodontal diseaseSHI Bin, BAI YiSYMPOSIUM129-1312Biomechanical considerations in the edentulous patients with history of periodontal diseaseZHOU LeiSYMPOSIUM132-1353Conceptual designs of implantation to aclusion induced by progressive loss of teeth for paradentosis in mandibleSONG Ying-liang, JIAN Bo, LI De-hua, LIANG Li-hua, SUN Dao-caiSYMPOSIUM135-1374Immediate implant placement in periodontally compromised zoneYE PingSYMPOSIUM138-1395Oral health-related quality of life for patients with implant-supported prosthesesCHEN Zhuo-fan, LIU Jia-yuSYMPOSIUM139-1426The emergency management for surgical and prosthodontic complications during the dental implant therapyHUANG Yuan-liangEXPERT EXPERIENCE143-1467An in vitro study of fracture resistance of molars with different dental defect using two post and core crown systemsYAN Hui, ZHANG Yan, ZHAO BinORIGINAL CONTRIBUTIONS147-1508Analysis of psychological situation in parents of cleft lip and palate childrenWEI Hong-ying, CHEN Wei-hui, QU Yan-zheng, OUYANG Qi-mingORIGINAL CONTRIBUTIONS151-1539Psychosocial factors in adult orthodontic treatmentYU Wei-juan, LIU Lin, WU Ping, LI LinORIGINAL CONTRIBUTIONS154-155,15810Evaluation on the clinical effect of the improved soft-pressure kind of oral adjustment device in the treatment of OSAHSHU Xiao-jie, YUE Lei, LI Yin-yinORIGINAL CONTRIBUTIONS156-15811The effect of fluoride on the morphology of ameloblast in rat incisor and the antagonistic effect of melatoninZHANG Xue-li, XI Shu-hua, GUO Xiao-ying, CHENG Guang-yan, ZHANG YingORIGINAL CONTRIBUTIONS159-16112Comparative study on the treatment efficiency between self-ligating brackets and conventional brackets in extraction patientsSUN Xiao-lei, LIU Xin-qiang, CHEN Xiu-juanORIGINAL CONTRIBUTIONS162-16413Analysis of the clinical effects of immediate replanting of traumatic dislocated teethGE Guang-hua, LUO He-ping, YANG FangORIGINAL CONTRIBUTIONS165-16714Clinical study of Warthin's tumors(a report of 109 cases)MENG Jing, QU Zhi-guo, AI QunORIGINAL CONTRIBUTIONS168-17015Evaluation on the curative effect of two kinds of pastes for apexificationZHU Bing-lin, LV XinBRIEF ORIGINAL CONTRIBUTIONS171-17216Determination of the gingival cervical fluid around dental implant and the activity of alkaline phosphataseQIN Dian-hong, ZHAO Bao-hongBRIEF ORIGINAL CONTRIBUTIONS173-17417Research development of repair materials for oral and maxillofacial bone defectsWANG YanSUMMARY175-17718Research development of enamel matrix proteins in enhancing periodontal tissue regenerationZHANG YunSUMMARY178-18019T-Scan Ⅲ digital occlusal analysis system in clinical applicationHUANG Da-haiSUMMARY181-18320Removal of intracanal fractured instruments using K-files in combination with microsonic techniqueHAO Yan-hong, DONG Chang-an, CUI Jun, PENG Yi-chun, LIANG jieEXPERIENCE EXCHANGE184-186 