1Overview of the development of dental local anesthesiaQIN Rui-feng, HU Kai-jinLocal anesthesia in dentistry385-3872New improvement of local anesthesia in dentistryPAN Jian, YANG Teng-yu, SU Nai-chuan, YANG Wen-binLocal anesthesia in dentistry387-3903Patient evaluation before local anesthesia in dental clinicsZHOU Hong-zhiLocal anesthesia in dentistry391-3944Local anesthesia strategy and standard technique in dental treatmentYU Qing, LI Peng, LI Ming-weiLocal anesthesia in dentistry394-3995Advanced techniques for dental local anesthesiaZHAO Ji-Hong, CAI YuLocal anesthesia in dentistry400-4036Complications of oral local anesthesiaHU Kai-jin, PANG Chao-yuanLocal anesthesia in dentistry403-4097Local anesthesia for dental specialitiesHOU RuiLocal anesthesia in dentistry409-4128Analysis of high-end oral health care needs in ChinaLU Zhen-fu, ZHANG YingEXPERT LECTURE413-4169Expression of Notch2 in the dental papilla and dental pulp tissues of human permanent teethCHEN Xu, TANG Ling-ling, CHEN Min, ZHANG Dan-dan, GUO YanORIGINAL CONTRIBUTIONS417-42010Clinical research on the associations between pregnant women of periodontitis and adverse pregnancy outcomesZHAO Yun, XIAO Mei, YANG Li, SUN Guo-qiang, TANG Fei, PAN Mi-xiangORIGINAL CONTRIBUTIONS421-42311Evaluation of occlusal force in different malocclusion and post-treatment patients by T-Scan Ⅱ occlusal analysis systemLIU Lin, LIANG Shu-xian, WANG Ming-feng, LIU Xing-hua, WANG Fang-yuanORIGINAL CONTRIBUTIONS424-426,43012Assessing the treatment effects of splint on symptoms of temporomandibular disorder in patients with malocclusionLIN Chen-huan, ZHANG Duan-qiangORIGINAL CONTRIBUTIONS427-43013Palliative orthodontic treatment for patients with severe periodontal disease in anterior teethLI Meng-hua, WANG Wei, HUANG JieORIGINAL CONTRIBUTIONS431-43314Periodontal health survey of students in three special education schoolsQIU Feng, LI Min-feng, WU Qi, Li ShengORIGINAL CONTRIBUTIONS434-43615Evaluation of the clinical efficacy of the treatment for dentine hypersensitivity with different adhesivesSONG Zi-yuan, XIE Yong-mei, WANG Xiao-xiao, LI FanORIGINAL CONTRIBUTIONS437-43916Application progress of the implant-supported overdenture based on finite element methodZHANG JiaoREVIEW442-446 