Comparison of dexmedetomidine and a dexmedetomidine-esketamine combination for reducing dental anxiety in preschool children undergoing dental treatment under general anesthesia: A randomized controlled trial

Fei Xing, Tongtong Zhang, Yang Zhi-Hu, Mingcui Qu, Xiaoshan Shi, Yanna Li, Yan Li, Wei Zhang, Zhongyu Wang, Na Xing