1The expression of transforming growth factor-β1 of macrophages in human chronic periapical diseasesLIANG Ze-zi, LI Juan, HUANG Shi-guang643-6482Histological observation of pulpless immature permanent teeth after pulp revascularizationZHANG Ying-juan, WEN Chun-mei, ZHONG Xiao-yi, CHEN Wen-xia649-6533Effects of PCL/simvastatin electrospun scaffold modified by self-assembly on the proliferation of dental pulp stem cellsTANG Min, XU Duo, JU Yan-Qin, ZHAO Shou-Liang654-658,6714Detection of Porphyromonas gingivalis rag genotypes in adolescence gingivitis patientsYU Miao, LI Ti, ZHANG Yu-jie, LI Zhi659-6615Two-and three-body dynamic wear performance of dental feldspathic porcelainSUN Ya-li, ZHANG Shao-feng, ZHENG Xiao-juan, GUO Jia-wen, GUO Zhen-xing, YANG Xue-wei, WANG Xue-song662-666,6716Assessment of the thickness of palatal masticatory mucosa and its association with palatal vault morphology using cone-beam computed tomographyXUE Fei, ZHANG Rui667-6717Evaluation of dental canal smear layer removal efficacy of Endoactivator with different agitation frequencyYANG Xiao-bin, LI Lei, ZHENG Jin-xin, LU Yan, ZHOU Dong-yan, WU Li-geng672-6768A survey of dental caries and its influencing factors in school-aged children of Xiamen city in 2005 and 20 1 5LI Jun-zhen, CHEN Mei, LIU Yi-hua677-678,6939Centering ability of twisted files in shaping curved root canalsNI Na, YE Jing, SU Li-hua, ZHU Xiao-jie, PENG Bin679-681,68410The orifice location of mesial root canals in mandibular first decidous molarsLU Yang, DONG Qing682-68411Advances of Endovac irrigation system used in root canal therapyHAO Yu-hong, XIE Fang-fang685-688,70212Comparison of reciprocating single-file and full-sequence rotary-file systemsWEI Xi, WANG Dan, ZHOU Peng, TANG Ming689-69313The preliminary exploration of establishing a required course of military oral medicine in the undergraduate curriculum in the military medical universityYANG Zai-yong, LI Gang, WANG Sheng-chao, GUO Jing, HU Yi, TIAN Tian, WU Jun-jie694-697