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J Endod:牙齿定位对垂直性根裂CBCT检测的影响

2018-06-19 lishiting MedSci原创

这篇研究的目的是为了评估与X线投影面相关的牙齿定位对锥形束CT(CBCT)影像检测不同材料充填发生垂直性根裂(VRF)的影响。

这篇研究的目的是为了评估与X线投影面相关的牙齿定位对锥形束CT(CBCT)影像检测不同材料充填发生垂直性根裂(VRF)的影响。

研究对30颗人的单根牙齿进行根管预备,半数样本实施VRF诱导。将牙根分别置于由人头骨和下颌骨组成模拟头颅的牙槽窝内,每个牙根沿纵轴2个方向进行CBCT扫描:相对于X线投影面的垂直和水平方向。同样,采用3种不同充填条件进行根充后扫描:不充填、牙胶和金属桩。获取2个方向上仿真模型特殊解剖区域的放射剂量。由5名放射线学家对所有影像进行评估,并通过5-point标尺对折裂进行标定。计算敏感性、特异性、准确性和阳性及阴性预测值。通过2-way和1-way方差分析及post hoc Tukey检验统计性评估接受者操作特征曲线的面积和每个牙根方向及充填材料的剂量测定结果(α = 0.05)。

结果显示,在不考虑充填材料的情况下,牙根定位对于检测VRF没有显著性差异(P ≥ .05)。

在牙胶和金属桩充填的牙根中,Az值明显降低(P < .05)。在某些解剖部位,牙根定位会改变吸收剂量。

结论:在不考虑根充材料的情况下,与X线投影面相关的牙齿定位并不会影响应用CBCT对VRF的检测。

原始出处

Wanderley VA, Freitas DQ, et al. Influence of Tooth Orientation on the Detection of Vertical Root Fracture in Cone-beam Computed Tomography. J Endod. 2018 Jun 1. pii: S0099-2399(18)30244-9. doi: 10.1016/j.joen.2018.04.006.

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    2019-03-07 贪吃蛇大王

    好好学习天天向上

    0

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    2018-06-21 智慧医人
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    2018-06-21 zhouqu_8
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    2018-06-21 shanyongle
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    2018-06-19 zdvfsadb

    学习了

    0

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    2018-06-19 131****2916

    不错的文章值得推荐一下

    0

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    2018-06-19 天地飞扬

    了解一下.谢谢分享!

    0

  8. [GetPortalCommentsPageByObjectIdResponse(id=362151, encodeId=267e36215134, content=好好学习天天向上, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/SrJSCPdKL0Ph25Lw3vlAkeSOJFyrKYpcmFTYHMla6icH6ibZ0zJHcbe2C5icyicow70stGsTm2efwfR6OibjYZD9N5A/132, createdBy=ff5a2004026, createdName=贪吃蛇大王, createdTime=Thu Mar 07 06:57:07 CST 2019, time=2019-03-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1310408, encodeId=53041310408c4, content=<a href='/topic/show?id=3e9441e65f' target=_blank style='color:#2F92EE;'>#CBCT#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4176, encryptionId=3e9441e65f, topicName=CBCT)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=智慧医人, createdTime=Thu Jun 21 11:24:00 CST 2018, time=2018-06-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1430134, encodeId=93c81430134c2, content=<a href='/topic/show?id=b58f6e691fc' target=_blank style='color:#2F92EE;'>#牙齿#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67691, encryptionId=b58f6e691fc, topicName=牙齿)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=zhouqu_8, createdTime=Thu Jun 21 11:24:00 CST 2018, time=2018-06-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1468033, encodeId=fe4d146803303, content=<a href='/topic/show?id=0806622e7c9' target=_blank style='color:#2F92EE;'>#根裂#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=71, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=62277, encryptionId=0806622e7c9, topicName=根裂)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=60366872557, createdName=shanyongle, createdTime=Thu Jun 21 11:24:00 CST 2018, time=2018-06-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325445, encodeId=9ca4325445e5, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=102, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/11/30/21f1f0d02514796066d52523c747be51.jpg, createdBy=75a31960463, createdName=zdvfsadb, createdTime=Tue Jun 19 23:20:32 CST 2018, time=2018-06-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325441, encodeId=5563325441cc, content=不错的文章值得推荐一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04f22055142, createdName=131****2916, createdTime=Tue Jun 19 22:54:03 CST 2018, time=2018-06-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325431, encodeId=3982325431f7, content=了解一下.谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=102, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2019/12/23/2f51002e1349ccda5be11c1eea1e1e60.jpg, createdBy=a22097948, createdName=天地飞扬, createdTime=Tue Jun 19 22:16:25 CST 2018, time=2018-06-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=325424, encodeId=8b0b325424e8, content=这个有用吗?学习一下吧., beContent=null, objectType=article, channel=null, level=null, likeNumber=83, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=82311653708, createdName=医者仁心5538, createdTime=Tue Jun 19 21:39:58 CST 2018, time=2018-06-19, status=1, ipAttribution=)]
    2018-06-19 医者仁心5538

    这个有用吗?学习一下吧.

    0

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