J Endod:全新CBCT分析软件定位人恒牙根尖孔相对于根面近端的位置

2018-10-29 lishiting MedSci原创

这篇研究的目的是通过锥形束CT(CBCT)影像及全新的高级影像分析软件(e-Vol DX; CDT Software, Bauru, SP, Brazil)定位人恒牙根尖孔(AF)在牙根表面的位置。

这篇研究的目的是通过锥形束CT(CBCT)影像及全新的高级影像分析软件(e-Vol DX; CDT Software, Bauru, SP, Brazil)定位人恒牙根尖孔(AF)在牙根表面的位置。研究对1400颗牙齿(422名患者)进行CBCT扫描并通过e-Vol DX软件依照牙根表面进行分析定位AF的位置:颊侧, 近颊, 近中, 近舌/腭, 舌侧/腭, 远舌/腭, 远中, 远颊和中央。分类变量的描述为频率和百分比。频率的置信区间定为95%。采用chi-square检验及耶茨校正对分类变量进行统计学评估。显著性水平设置为α = 0.05。结果显示,上颌前牙AF发生频率最高的位置为根中央(46%-60%)。所有病例中下颌中切牙AF的位置在颊侧的比例为44%。上颌第一和第二前磨牙AF的位置在根中央的比列分别为39.98%和42.56%。上颌第一和第二磨牙AF在根中央的比列分别为46.12%和57.49%。下颌第一和第二前磨牙AF的位置在根中央的比列分别为42.85%和50.98%。下颌第一磨牙AF的位置在根中央的比列为48.72%。结论:人恒牙上颌和下颌牙齿AF的位置在根中央的比列分别为

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1635506, encodeId=ce3a16355068f, content=<a href='/topic/show?id=e2466219828' target=_blank style='color:#2F92EE;'>#根尖孔#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=62198, encryptionId=e2466219828, topicName=根尖孔)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9a0e22484117, createdName=124987c6m43暂无昵称, createdTime=Tue Oct 01 18:21:00 CST 2019, time=2019-10-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=362065, encodeId=67f93620654c, content=好好学习天天向上, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, 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=Wed Mar 06 02:59:13 CST 2019, time=2019-03-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1310414, encodeId=8d5213104144a, content=<a href='/topic/show?id=3e9441e65f' target=_blank style='color:#2F92EE;'>#CBCT#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, 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=Wed Oct 31 11:21:00 CST 2018, time=2018-10-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1579502, encodeId=b44415e9502e2, content=<a href='/topic/show?id=3afd942e905' target=_blank style='color:#2F92EE;'>#近端#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=94279, encryptionId=3afd942e905, topicName=近端)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=da2116536440, createdName=hittouch, createdTime=Wed Oct 31 11:21:00 CST 2018, time=2018-10-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1601259, encodeId=11d716012595b, content=<a href='/topic/show?id=eb1b5282260' target=_blank style='color:#2F92EE;'>#恒牙#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=52822, encryptionId=eb1b5282260, topicName=恒牙)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=27f418863982, createdName=zhaozuguo, createdTime=Wed Oct 31 11:21:00 CST 2018, time=2018-10-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1627988, encodeId=c4dd162e988bb, content=<a href='/topic/show?id=49406e574ae' target=_blank style='color:#2F92EE;'>#牙根#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67574, encryptionId=49406e574ae, topicName=牙根)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=d5ff21139121, createdName=zhu_jun9844, createdTime=Wed Oct 31 11:21:00 CST 2018, time=2018-10-31, status=1, ipAttribution=)]
    2019-03-06 贪吃蛇大王

    好好学习天天向上

    0

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    2018-10-31 智慧医人
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    2018-10-31 hittouch
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    2018-10-31 zhaozuguo
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