The effects of different handpieces and distances of Er∶YAG laser irradiation on dentinal tubule sealing-an in vitro studyYANG Jiu-hui, LIU Yan-li, ZHANG Min, LI Qiang, CHEN Yong-jin679-683
Changes of Porphyromonas gingivalis and its virulence factor FimA genotype in the adolescent patients underwent orthodontic treatmentSUN Yu-gang, CHEN Yan-hua, WANG Lin, GUO Yang, ZHANG Qiang684-688
Comparison of root canal morphology and microleakage after cleaning with Er∶YAG laser and ultrasonic irrigationSUN Ning-jia, GUO Wei689-697,712
Comparison of TFA, Reciproc and ProTaper Next for the root canal cleanness and the amount of apically extruded debris during root canal preparationDING Qun, LI Zhen-ying, ZHENG Jing, WANG An, YE Guo-pin698-701,724
Fracture resistance of the roots obturated with iRoot SP in root canal three-dimensional obturation in vitroWU Yu-zhi, HE Min, LIU Yan702-705
Survey of schoolchildren parents' knowledge of dental trauma in Xi'anWANG Xiao-min, SU Xue-long, WANG Hong, LIU Fei, ZHAO Ya-ping, GUO Qing-yu717-720
Multi-factor analysis of pit and fissure sealant expulsion on first permanent molar of 7-to 9-year-old childrenYANG Xing-min, ZHANG Xiao-dan, WANG Xiao-fei, YUAN Jie, CAO Yan-yan, LI Xiu-xiu721-724
A comparative study on the effects of glass fiber post and cast metal post in the restoration of tooth defectLIAO Shu-fen725-727
