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首页> 外文期刊>Journal of Clinical and Diagnostic Research >Comparative Analysis of Linear and Angular Measurements on Digital Orthopantomogram with Calcaneus Bone Mineral Density
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Comparative Analysis of Linear and Angular Measurements on Digital Orthopantomogram with Calcaneus Bone Mineral Density

机译：跟骨骨矿物质密度数字正射像图上线性和角度测量的比较分析

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Background: Bone remodeling is a continuous and complex process which occurs throughout life. Radiomorphometric and radioangular indices on the orthopantomogram are the predictors of bone remodeling associated with mandible. Bone mineral density is the amount of calcified tissue in a certain volume of the bone. Materials and Methods: Fifty normal healthy individuals within the age range of 25-55 years were included in the study. Linear measurements including mandibular cortical width (MCW) and panoramic mandibular index (PMI); and angular measurements including mandibular angle (MA) and antegonial angle (AGA) were recorded. Quantitative ultrasound bone mineral density (BMD) scan of the heel bone (calcaneus) of the same patient were also performed. Results: In our study, for both males and females, antegonial angle (AGA) had highest correlation with calcaneus bone mineral density. In the age group of less than 35 years, PMI in males, and AGA in females had highest correlation. In the age range of more than 35 years, MA in males and AGA in females had highest correlation. Conclusion: There is a correlation between the mandibular bone remodelling changes and calcaneal bone mineral density in case of elder subjects and thus these parameters may be used as an inexpensive alternative screening method to assess the bone mineral density and identify individuals at risk for osteoporosis and fractures and also for dental treatment planning.
机译：背景：骨骼重塑是一个贯穿整个生命的连续而复杂的过程。正射影像图上的放射形态学和放射角指数是与下颌骨相关的骨重塑的预测指标。骨矿物质密度是一定体积的骨骼中钙化组织的数量。材料与方法：研究纳入了年龄在25-55岁之间的五十名正常健康个体。线性测量包括下颌皮质宽度（MCW）和下颌全景指数（PMI）;并记录下颌角（MA）和前角（AGA）的角度测量值。还对同一患者的足跟骨（跟骨）进行了超声骨矿物质密度（BMD）定量扫描。结果：在我们的研究中，男性和女性的前角（AGA）与跟骨骨矿物质密度的相关性最高。在小于35岁的年龄组中，男性的PMI和女性的AGA的相关性最高。在超过35岁的年龄范围内，男性的MA和女性的AGA的相关性最高。结论：在老年患者中，下颌骨重塑变化与跟骨骨矿物质密度之间存在相关性，因此这些参数可作为评估骨矿物质密度和识别有骨质疏松症和骨折风险的个体的廉价替代方法以及牙科治疗计划。

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