New concept of tooth extractionLIU Chuan, LI Deng-ke, ZHANG Wu-yang, LIU Ping, WANG Xin, HU Kai-jin, XUE Yang645-649
"Tao" and "Guide" in the teaching of periodontal preclinical trainingYANG Gang, ZHONG Jin-sheng, HU Wen-jie, LIU Jian664-667
Evaluation and analysis of the teaching effect of the periodontal preclinical practice course based on question-nairesWANG Cui, ZHANG Hao-yun, HU Wen-jie, ZHANG Yan-ling, YANG Ting, LIU Jian668-671
Application of 3D printed personalized model combined with digital surgical guide plates in clinical teaching of the completely impacted teeth extractionCHENG Gu, ZHOU Hai-hua, YANG Rong-tao, LYU Kun, LI Zu-bing, LI Zhi672-676
Study on the effects of a following-up-cases teaching model in developing mind-set of undergraduate students of stomatologyLU Hong, HOU Meng-jie, LI Rui, TANG Xiao-lin, PAN Chun-ling, WANG Hong-yan677-680
Effect of root canal preparation on dentinal crack formation using different Ni-Ti file systemsZHOU Yi-jia, MA Hong-tao, ZHU Ya-qin681-685,692
Bactericidal effect of ultrasound,sonic device,and laser radiation on root canal irrigation in root infection mod-el in vitroMEI Xiao-han, LIU Jin, CHENG Xiao-gang, FAN Xiao-min, YOU Su-xia, TAN Min-juan, QIU Jun, ZHANG Ya-qing686-692