1Microbes and Caries(3) A review of caries research in last centuryYUE Song-ling423-4282An experimental study of dental caries prevention with methylene blueWANG Cheng-long, LIU Hong-chen, CHU Bing-feng, LI Zhen-gang, LI Rui, HAN Shu-feng, ZHAO Min, HUANG Li-zi429-4333Anatomy and morphology of root canal of mandibular permanent incisors of Chinese in radiographyHUANG Ding-ming, TAN Hong, ZHANG Fu-hua, LI Hao-lai, LIU Qian, ZHENG Guang-ning, ZHOU Xue-dong434-4374Expression of transcription factor Msx2 during permanent tooth root formation of dogXUAN Kun, YANG Fu-sheng, WEN Ling-ying, JIN Yan438-4405Study on adipose tissue-derived stem cells of rat differentiating into the osteoblast in vitroSHAN Xiu-li, WANG Qing, LIN Zhi-yong, SUN Hong-yi, LIN Xiu-juan, CHEN Lu-yi441-4456Temporal and spatial distribution of Fos,GFAP and OX42 protein in the locus coeruleus of the rat molar after bite-risingCHEN Jin-wu, LIU Hong-chen, RAO Zhi-ren, WANG Qi, WANG Jin-jie446-4487Geometrical analysis in measurements of root canal curvatureGU Yong-chun, ZHOU Pei-gang, LIU Shu-xiang, ZHONG Yan449-4538Relationship between the shape of the cavity and bond strength of the dentinLIU Zhan-yi, ZHENG Lei, CHEN Jie-dian, ZHANG Yi-peng454-4569Development of osteoblast culture model on the PPy-coated titanium substrates stimulated by microcurrentJIA Jun, DUAN Yuan-yuan, ZHOU Jian-xue, ZHANG Shao-feng, YAO Yue-ling457-46010Prediction of outcome of malocclusion class Ⅲ after combined maxillary protraction and chin cup aplliance treatmentSHEN Hong, WANG Yan, LIU Wen461-46311Study of progress of ADAM family470-47712Polymerization shrinkage stress of composite resin478-480