Clin Oral Investig:根管内部解剖对热熔牙胶根管充填渗漏的影响

2017-10-12 lishiting MedSci原创

这篇研究的目的是为了评估根管内部解剖对热熔牙胶技术进行根管充填产生的渗漏影响。

这篇研究的目的是为了评估根管内部解剖对热熔牙胶技术进行根管充填产生的渗漏影响。

研究选取上颌中切牙(UCI)和下颌磨牙近中根(MRLM) (n = 12/组)作为试验对象,并通过气体增强渗透试验检测根管充填后的渗漏情况。通过micro-CT的叠加扫描技术在术前和术后分析未充填到的区域大小,以此来评估根管充填的质量。将计算出来的空体积进行组间比较,并且与所测得的渗漏值相关联。数据通过t 检验和Pearson's相关检验进行统计学分析(p < 0.05)。

结果显示,UCI和MRLM之间的平均空体积未见明显差异(分别为13.7 ± 6.2% vs. 14.2 ± 6.8%)。然而,MRLM却存在比UCI显著增多的渗漏(p < 0.001)。另外,MRLM组中渗漏与空体积存在高度相关性(R 2 = 0.981, p < 0.001),而在UCI组未发现两者有任何关联(R 2 = 0.467, p = 0.126)。

结论:MRLM表现出更高的渗漏值,并且与根充后的未充填到区域大小相关联。

临床意义:在进行根管治疗时应谨小慎微,特别对那些已知/预料到的具有复杂根管解剖的牙齿保持警惕,以最大限度的减少微渗漏,提高根管治疗的长期效果。

原始出处

Al-Jadaa A, Attin T, et al. Influence of the internal anatomy on the leakage of root canals filled with thermoplastic technique. Clin Oral Investig. 2017 Oct 11. doi: 10.1007/s00784-017-2235-7.

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    2017-10-28 小几洁
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