TY - Int J Stomatol A1 - Zha Yunchen,Zhang Jiajia,Kong Weidong. T1 - Research progress on the etiology of primary failure of eruption Y1 - 2022-07-01 JF - International Journal of Stomatology JO - Int J Stomatol SP - 386 EP - 391 VL - 49 IS - 4 UR - https://www.gjkqyxzz.cn N1 - 10.7518/gjkq.2022072 ER -