Bass E V. Cast post and core foundation for the badly broken down molar tooth [J]. Aust Dent J, 2002,47(1):57-62.[2] Rajput A, Ataide I, Fernandes M. Uncomplicated crown fracture, complicated crown-root fracture, and horizontal root fracture simultaneously treated in a patient during emergency visit: a case report [J]. Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 2009,107(2):48-52.[3] 刘永发.玻璃纤维桩和纳米复合树脂联合治疗儿童外伤恒前牙[J].当代医学,2011,17(33):36-37. [4] 孙 燕,杨玉娥,宋光泰.玻璃纤维桩和复合树脂直接修复儿童冠折上前牙的临床评价[J].口腔医学研究,2009,25(3):345-347.[5] Cvek M, Cleaton-Jones P E, Austin J C, et al.Pulp reactions to exposure after experimental crown fractures or grinding in adult monkeys[J].J Endod,1982, 8(9):391-397.[ZK)](2012-06-26