摘要
目的：评价前牙龈下残根改良牙冠延长术后纤维桩联合全瓷冠修复的应用效果。方法：选择24例33颗上前牙因外伤、重度龋坏等造成只剩龈下残根的患者，行完善的根管治疗后，采用改良牙冠延长术延长临床牙冠长度后再应用纤维桩系统进行桩核及全瓷冠修复。通过临床检查和 x 线检查，评估纤维桩联合全瓷冠修复的临床应用效果。结果：随访12个月，24例患者的基牙无松动，未发生根折，纤维桩树脂核桩冠完好，无松动，无脱落，牙龈组织健康，牙槽骨无吸收，骨硬板连续一致。结论：对于因外伤、重度龋坏等造成只剩龈下残根的病例，采用改良牙冠延长术后纤维桩核联合全瓷冠进行桩冠修复有较好的治疗效果。
Abstract
Objective:To evaluate the clinical ef ect of fiber post combined with al ceramic crown in the subgingival residual root of anterior teeth after modified crown lengthening sur-gery.Methods:24 patients whose maxil ary anterior teeth were fractured under gingiva because of trauma or odontonecrosis were repaired.After completely root canal therapy,the teeth were treated by modified crown lengthening surgery to increase the height of crown.Then,the teeth were treated with fiber post system and al ceramic crown.Periodontal condition,radiographic signs and pros-thodontic results were recorded.Results:According to the 12 months’clinical observation,the restoration was stable,the posts and roots had no movement or fracture,and the periodontal tissue was healthy.Conclusion:The fiber post system combined with al ceramic crown after modified crown lengthening are ef ective to treat the subgingival residual roots .
NETL
NSTL
维普
万方数据