[1]叶 琴,刘 慧,刘玉秀,等. 三氧化物凝聚体在年轻恒牙根尖诱导成形术中的应用[J].中国美容医学,2020,(3):112. YE Qin,LIU Hui,LIU Yu-xiu,et al. Application of Mineral Trioxide Aggregate in Young Permanent Teeth Apexifi cation[J].Medical Aesthetics and Beauty,2020,(08):112.