1Application of minimally invasive techniques to pediatric dentistryWANG Xiao-jingSYMPOSIUM449-4532Minimal intervention in caries managementFAN Ming-wenSYMPOSIUM453-4553Clinical use and fabrication of the ultra-thin veneersLUO Xiao-ping, YUAN Yu, QIAN Dong-dong, SHI Yu-juan, WANG QiSYMPOSIUM456-4594The application of minimally invasive techniques to tooth and alveolar surgeryWANG Yong, XU Ying, YANG ChiSYMPOSIUM459-4655Minimally invasive concept and practice in esthetic dentistryLIU Feng, LI WeiSYMPOSIUM465-4686Effect of ibandronate on orthodontic root resorption in ratsWANG Sheng-lin, WANG Xu-xia, ZENG Jing, LI Jing, DONG Rui, ZHANG JunORIGINAL CONTRIBUTIONS469-4727Effect of unilateral condylar neck fracture on USF1 expression of the chondrocyte in growing ratQIAN De-yun, XU Zi-xiang, CHEN Jian-zhong, WANG Wei-qi, ZHAO Hong-linORIGINAL CONTRIBUTIONS473-4758Study of the clinical operation performance of Flexitime vinyl polysiloxane impression materialLIU Yang, ZHAN De-song, WANG YangORIGINAL CONTRIBUTIONS476-4789Clinical study on skeletal Class Ⅲ malocclusion treatment with maxillary protraction and lip bumper in the mixed dentition periodZHU Xiao-huaORIGINAL CONTRIBUTIONS479-48110Study on the effect of minocycline hydrochloride on IL-6 mRNA expression of human periodontal ligament fibroblasts under the influence of LPSQIU Feng, ZHAI Wei-dong, LIU Yu-ming, ZHU Zhuang-hua, LIU XingORIGINAL CONTRIBUTIONS482-48411Observation on the curative effect of periodontal basic therapy and maintenance phase treatment on drug-induced gingival hyperplasiaLI Wei-shan, WANG Ze, ZHANG Jin-yanORIGINAL CONTRIBUTIONS485-48712Study about morphological character of the cranial base in different vertical facial typesYU Xin, LI Bo-xun, LIU YiORIGINAL CONTRIBUTIONS488-49013Bolton analysis in different malocclusions in Shandong provinceWEI Zhu-liang, ZHANG Wen-mei, WANG Yi-ling, SUN Yu-gangORIGINAL CONTRIBUTIONS491-49414Comparative study on mastcatory efficiency before and after orthodontic treatment with the single maxillary extractionFENG Xiao-binORIGINAL CONTRIBUTIONS495-49715Clinical evaluation of daily repair toothpaste containing NovaMin technology for the treatment of dentin hypersensitivitySONG Zi-yuan, XIE Yong-mei, DING Jue-fei, WANG Xiao-xiao, CHENG Xue-kunORIGINAL CONTRIBUTIONS498-49916Research progress of adhesion technology for fiber postWANG JingREVIEW501-50417Research advance of sodium hypochlorite used in the root canal irrigationYU Ya-qiongREVIEW504-508