1Research advances of oral submucous fibrosisJIAN Xin-chun, ZHENG Lian65-682Aetiology of oral submucous fibrosisGAO Yi-jun, YIN Xiao-min68-723Diagnosis of oral submucous fibrosisPENG Jie-ying, MENG Qing-yu, LI Ji-jia72-754Management of oral submucous fibrosisWU Ying-fang76-805The expression and significance of MMP-2 and TIMP-2 in recurrent aphthous ulcerKANG Yuan-yuan, ZHANG Ying81-836Effect of different pH on the fatigue strength of pure titanium claspLUO Xiao-ting, LI Tian-xia, WANG Shi-gang, FAN Jiu-ming84-867Clinical evaluation of zirconia all-ceramic crowns and bridgesGUAN Da-rong, ZHANG Pei-fen87-908Soft and hard tissue changes after orthodontic treatment for adult patients with Angle Class Ⅱ division Ⅰ malocclusionYU Wei-juan, ZHANG Hai-bin, LIU Lin91-939Survey and analysis on oral health knowledge among children's parents in JinanSUN Yu-rong, LI Shu, TANG Kai-liang, ZHANG Li-xia94-9710Clinical observation on decompression in treating mandibular large cystic lesionsDENG Shu-hai, ZHONG Fan, ZHAO Ji-gang, GUAN Song-hua, GUO Yi98-10011Clinical observation on the influence on the adjacent second molar of removal of mandibular lower and level impacted third molars by three-section methodKUANG Shi-jun, ZHOU Yan-wu, YAN Juan, ZHANG Zhi-guang101-10212Clinical effects of integrated traditional Chinese and western medicine in treating erosive oral lichen planusXU Ling-yun, WU Jun-li103-10413Comparison of effects between FM-SRP and Q-SRP in the treatment of chronic periodontitisLUO Wei-xin, TONG Jing105-10614Study on the application of treatment to blocked canals of dental operative microscope and ultrasonic root canal techniqueQIU Wei, CHI Ming-xia, ZHANG Ting-ting107-10815Effect of porcelain fused to metal crown with reserving vital pulp in the treatment of early cracked teethCHEN Xiao-feng, XIONG Li, DUAN Yi-feng109-11016Clinical effect of joint support of dental implant and natural teeth in fixed partial dentures restoration for molars loss:observation on 21 casesLIN Zhi-rong, GUO Lv-hua, HE Ying-zhao110-11117Research progress of orthodontic and orthognathic combined treatment for skeletal Class Ⅲ malocclusionLIANG Shu-xian112-11518Application of three-dimensional finite-element analyses to biomechanical research of orthodonticsZHAO Xi, HAN Rui116-11819Influence of posterior crossbite on the temporomandibular jointYANG Chuan119-12220Experience of clinical treatment for premolar supernumerary cusp in adolescentsWANG Dai-li, XU Long-bo123-124 