J Endod:牙髓治疗隐裂至根部牙齿的成功与存留情况:2-4年的术后队列研究

2019-06-09 lishiting MedSci原创

目前为止,还没有长期的临床术后评估牙髓治疗隐裂至根部牙齿的疗效。这篇研究的目的是为了评估经牙髓治疗并冠修复隐裂牙齿的成功率和存留率,特别是隐裂延申至根管口水平的牙齿。

目前为止,还没有长期的临床术后评估牙髓治疗隐裂至根部牙齿的疗效。这篇研究的目的是为了评估经牙髓治疗并冠修复隐裂牙齿的成功率和存留率,特别是隐裂延申至根管口水平的牙齿。

研究队列包含了连续70颗经过牙髓治疗的隐裂牙齿,其隐裂达到根管口水平和超过5 mm。治疗由同1位牙髓病专科医师在常规技术条件下完成,病例随访。研究采用了特殊的疗法和术后方案。如果牙齿存在、无症状且具有功能则定义为存留。当病例达到严格的放射线影像及临床标准,将其定义为治疗成功。

结果显示,59颗牙齿进行了存留评估,53颗进行了成功与否的评估。2年的存留率为100%,4年时为96.6%。2-4年期间,成功率为90.6%。隐裂部位的牙周袋(up to 7 mm)、边缘嵴、隐裂深度或术前诊断之间无显著性差异(P < .05)。

结论:这篇研究表明,隐裂至根部牙齿的治疗成功率与存留率可能与正常牙髓治疗牙齿相似,可能比之前报道的隐裂牙治疗成功率为高。通过以下方案有望改善隐裂至根部牙齿的治疗效果:显微镜辅助下制备根尖孔至隐裂延长处的内部屏障、完全的咬合面降低、特殊的术后建议以及快速的全冠修复。

原始出处

Davis MC, Shariff SS. Success and Survival of Endodontically Treated Cracked Teeth with Radicular Extensions: A 2- to 4-year Prospective Cohort. J Endod. 2019 May 20. pii: S0099-2399(19)30255-9. doi: 10.1016/j.joen.2019.03.015.

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    2019-06-11 zhouqu_8
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