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J Endod:CBCT扫描对根尖手术后1和5年骨愈合的X线影像评估

2019-10-01 lishiting MedSci原创

这篇长期研究的目的是在根尖术后1和5年通过CBCT扫描评估影像学的愈合情况。

这篇长期研究的目的是在根尖术后1和5年通过CBCT扫描评估影像学的愈合情况。

在一个预期的临床研究背景下,根尖外科手术后的1和5年进行CBCT扫描观察。由3名资深的观察者沿着手术牙根纵轴独立评估颊舌向的CBCT影像。对以下研究参数的放射线影像根尖愈合分级为"完全、部分和未愈合":切除平面、骨皮质、根尖区域和整个骨愈合。数据分析包括观察者之间的一致性(Fleiss kappa values)、1年和5年间的比率对照以及1至5年间的愈合程度变化(McNemar-Bowker tests)。数据进行统计学评估以检测其中的显著性差异。

结果显示,研究共评估了41个牙齿(in 41 patients)的47个经治牙根的CBCT影像。5年时,所有研究参数显示完全愈合的病例比例明显高于1年时。术后5年,切除平面和根尖区域的参数经鉴定显示72.3%为完全愈合,而骨皮质和完全骨愈合参数则表现出相对较低的完全愈合率(42.6% and 38.3%, respectively)。依照研究参数,1年时的完全治愈病例在5年时仍然如此,在87.5%-100%之间。

结论:根尖外科术后的5年CBCT随访结果表明,1-5年间的根尖X线愈合程度明显提高,但基于不同的研究参数其程度不同。尽管在切除平面有新生的硬组织并且根尖缺损也已得到恢复,但是骨皮质骨板的重建却明显落后于前。

原始出处:

von Arx T, Janner SFM, et al. Radiographic Assessment of Bone Healing Using Cone-beam Computed Tomographic Scans 1 and 5 Years after Apical Surgery. J Endod. 2019 Sep 19. pii: S0099-2399(19)30591-6. doi: 10.1016/j.joen.2019.08.008.

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    2019-10-03 piaojinhua
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    2019-10-03 智慧医人
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    2019-10-01 1209e435m98(暂无昵称)

    学习了,谢谢分享

    0

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