Correlation between gray values in cone-beam computed tomography and histomorphometric analysis.

IF 1.7 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Imaging Science in Dentistry Pub Date : 2022-12-01 DOI:10.5624/isd.20220051

Najmeh Anbiaee, Reihaneh Shafieian, Farid Shiezadeh, Mohammadtaghi Shakeri, Fatemeh Naqipour

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引用次数: 1

Abstract

Purpose: The aim of this study was to analyze the relationships between bone density measurements obtained using cone-beam computed tomography (CBCT) and morphometric parameters of bone determined by histomorphometric analysis.

Materials and methods: In this in vivo study, 30 samples from the maxillary bones of 7 sheep were acquired using a trephine. The bone samples were returned to their original sites, and the sheep heads were imaged using CBCT. On the CBCT images, gray values were calculated. In the histomorphometric analysis, the total bone volume, the trabecular bone volume (referred to simply as bone volume), and the trabecular thickness were assessed.

Results: Statistical testing showed significant correlations between CBCT gray values and total bone volume (r=0.537, P=0.002), bone volume (r=0.672, P<0.001), and trabecular thickness (r=0.692, P<0.001), as determined via the histomorphometric analysis.

Conclusion: The results indicate a significant and acceptable association between CBCT gray values and bone volume, suggesting that CBCT may be used in bone densitometry.

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锥束计算机断层扫描灰度值与组织形态学分析的相关性。

目的:本研究的目的是分析锥形束计算机断层扫描(CBCT)获得的骨密度测量值与组织形态学分析确定的骨形态参数之间的关系。材料和方法:本实验采用环钻法从7只羊的上颌骨中取出30个标本。骨样本被送回原来的位置，并使用CBCT对羊头进行成像。对CBCT图像计算灰度值。在组织形态学分析中，评估总骨量、骨小梁骨体积(简称骨体积)和骨小梁厚度。结果:经统计学检验，CBCT灰度值与总骨量(r=0.537, P=0.002)、骨体积(r=0.672)、pp3之间存在显著相关性。结论:CBCT灰度值与骨体积之间存在显著且可接受的相关性，提示CBCT可用于骨密度测定。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Imaging Science in Dentistry DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

2.90

自引率

11.10%

发文量