J Clin Periodontol:根面覆盖模型口内照的图像畸变评价

2020-06-26 网络 网络

在涉及根面覆盖的临床研究中,提倡使用临床照片。但是,拍摄照片时,相机的角度变化可能会导致视差错误,从而导致测量结果不准确。本研究的旨在研究拍摄角度对照片的影响。

在涉及根面覆盖的临床研究中,提倡使用临床照片。但是,拍摄照片时,相机的角度变化可能会导致视差错误,从而导致测量结果不准确。本研究的旨在研究拍摄角度对照片的影响。

使用21有牙龈退缩的牙齿模型,通过移动模型的位置,使用数码相机以5°间隔在0°-35°之间拍摄照片。牙龈退缩程度和根表面积用ImageJ计算并在数学模型中实现。对实验测量结果与数学模型结果之间的关系进行了统计评估。该模型已通过临床数据证实。

结果发现,当焦点在实验牙齿上的相机镜头的中心轴在锥角≤36°之内时,牙龈退缩的最大变形范围为0%到14%,当角度为牙冠到中心轴时,百分比最大。

当使用ImageJ作为测量工具时,没有将外部设备连接到相机的照片为根覆盖率的评估提供了宝贵的支持。

 

原文出处:

Stephane Kerner,Image distortion of intra‐oral photographs: The root coverage model. Journal of clinical periodontology, 2020 July. Doi: 10.1111/jcpe.13294

 

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    2020-10-07 feather89
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    2020-06-28 wxl882001

    了解一下

    0

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    2020-06-28 huagfeg
  5. [GetPortalCommentsPageByObjectIdResponse(id=2078780, encodeId=0e4320e87808d, content=<a href='/topic/show?id=205f6228844' target=_blank style='color:#2F92EE;'>#根面覆盖#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=62288, encryptionId=205f6228844, topicName=根面覆盖)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/iaP1mV9qBwx5tE2F4xcG1r4x1PibWvluIFLB8VsViakqNMBia2Z0wFibVrYwDEILvHB1OomzzTAAGy5MVl5BrdEv9Bw/132, createdBy=e11f100, createdName=guguangxiang, createdTime=Mon Dec 14 04:33:17 CST 2020, time=2020-12-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1728558, encodeId=51dc1e28558f0, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f06c33759375, createdName=feather89, createdTime=Wed Oct 07 06:33:17 CST 2020, time=2020-10-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=800169, encodeId=2ba78001699e, content=了解一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=71, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6KcicAVC1MwuOgo3iaicb1Imgk1yIfnvr6oXzibcAFB6puAyNJXbzWhNuLqaFYBVRWjh7rghkvFLPxMAfD5ib3nXwVD/0, createdBy=bed21972958, createdName=wxl882001, createdTime=Sun Jun 28 22:54:51 CST 2020, time=2020-06-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1444633, encodeId=a3a1144463318, content=<a href='/topic/show?id=3d9291459d1' target=_blank style='color:#2F92EE;'>#评价#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=91459, encryptionId=3d9291459d1, topicName=评价)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1fee5134542, createdName=huagfeg, createdTime=Sun Jun 28 06:33:17 CST 2020, time=2020-06-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1047824, encodeId=b992104e82424, content=梅斯里提供了很多疾病的模型计算公式,赞一个!, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=CHANGE, createdTime=Fri Jun 26 18:33:17 CST 2020, time=2020-06-26, status=1, ipAttribution=)]
    2020-06-26 CHANGE

    梅斯里提供了很多疾病的模型计算公式,赞一个!

    0

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