1Diagnosis and location for ambushed and impacted toothXU Lai-qing, JIANG Meng, DING Hong, LI Na, WANG HuSYMPOSIUM641-6452Diagnosis and treatment of impacted posterior teethDUAN Yin-zhongSYMPOSIUM646-6533Orthodontic treatment for labially impacted caninesHE Hong, HUA FangSYMPOSIUM654-6574Surgical-orthodontic eruption of impacted teethZHOU Hong-zhiSYMPOSIUM657-6615Orthodontic treatment for inverted impacted upper central incisorsJIN Zuo-lin, HUI Wen-tingSYMPOSIUM661-6656Orthodontic treatment of palatal impacted caninesLIU YiSYMPOSIUM665-6707Construction and identification of PG0352 mutant stain in P.gingivalis W83LI Chen, HE Xiao-ning, PAN Ya-ping, GUO YanORIGINAL CONTRIBUTIONS671-6758Effects of Er∶YAG laser on bond strength between dentin and blocksLI Rui-qing, ZHAO Bin, YAN Hui, ZHANG YuanORIGINAL CONTRIBUTIONS676-6789A survey and analysis of Permanent teeth caries in 12-year-old children in Daqing cityYOU Xin, LIU Hui-min, ZHENG Jie, DONG Jie, MA Shu-yanORIGINAL CONTRIBUTIONS679-68110Experimental study of the bonding interface between different base material and veneering porcelainLI Zhen-chun, WANG Xiang, XING Wen-zhongORIGINAL CONTRIBUTIONS682-68511A primary study of the occlusal function in Class Ⅱ division 1 malocclusion before and after orthodontic treatmentWANG Yan-ling, HAN Liang, ZHANG Yong, ZHANG JinORIGINAL CONTRIBUTIONS686-68912Angle class Ⅲ malocclusion treated with tongue crib and chin cupTIAN Yu-lou, PIAO Mei-ling, WANG Jing, LIU Fang, HAN Kun, L(U) PinORIGINAL CONTRIBUTIONS690-69313Effect of photopolymerization on microhardness of dual-polymerized resin around a translucent fiber post in root canalDENG Xiang-dong, ZOU Kang-yuan, CHEN Jue-qingORIGINAL CONTRIBUTIONS694-69614The mechanism and influencing factors of denture base resins' sorption and solubilityHUANG Hua-li, ZUO Wei-wen, LUO MengREVIEW697-699,704