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J Endod:下颌管与根**之间的关系:一项CBCT对3类人群的比较

2018-02-26 lishiting MedSci原创

这篇研究的目的是在3类不同人群中通过锥束CT(CBCT)影像调查下牙槽神经(IAN)相对于下颌磨牙根尖端部位的差异,并评估极其靠近(1mm的距离或者更近)IAN牙齿的比例。

这篇研究的目的是在3类不同人群中通过锥束CT(CBCT)影像调查下牙槽神经(IAN)相对于下颌磨牙根尖端部位的差异,并评估极其靠近(1mm的距离或者更近)IAN牙齿的比例。

研究随机选取CBCT影像进行分析(N = 1224, 以色列人= 408, 南韩人= 416, 印度人= 400)。并通过影像软件计算分析距离下颌管最短的距离。

结果显示,平均距离为4.81 ± 2.15 mm。以色列、南韩和印度人的平均距离分别为4.60 ± 2.37 mm, 5.45 ± 2.13 mm和4.35 ± 1.76 mm。南韩人样本的距离要明显大于以色列和印度人样本的距离(P < .05)。以色列人的样本极其靠近下颌管牙齿的比例为6.6%,印度人为3%,南韩人为0.7%,各组间存在显著性差异(P < .05)。

结论:尽管研究发现在不同人群中牙齿形态存在着明显差异,但是IAN相对于不同人群牙齿根尖端的位置并没有显著变化。研究表明,不仅IAN距离不同人群根尖端的距离存在差异,而且极其靠近IAN牙齿的比例也有所不同。

原始出处:

Lvovsky A, Bachrach S, et al. Relationship between Root Apices and the Mandibular Canal: A Cone-beam Computed Tomographic Comparison of 3 Populations. J Endod. 2018 Feb 6. pii: S0099-2399(18)30001-3. doi: 10.1016/j.joen.2017.12.020.

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    2018-04-12 xlysu
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    2018-02-26 紫迎馨

    学习

    0

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    2018-02-26 happsf

    学习

    0

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    2018-02-26 1e0f8808m18(暂无匿称)

    学习了.谢谢分享.

    0

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