Mechanical Properties of MaterialsNo Access

VALIDATION OF THE USE OF FRACTIONAL QUANTITATIVE COMPUTED TOMOGRAPHY BASED ON THE MECHANICAL PROPERTIES OF TRABECULAR BONE

Department of Radiology, Kyungpook National University Hospital, 50 Samduk 2Ga, Jung Gu, Daegu, 700-721, Republic of Korea

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YONG MIN CHANG

Department of Radiology, Kyungpook National University Hospital, 50 Samduk 2Ga, Jung Gu, Daegu, 700-721, Republic of Korea

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GUANG HU JIN

Dep. of Ultrasonography, Yanji Hospital 15, Youyilu, Yanji, Jilin, People's Republic of China

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JONG HYOUNG KIM

School of Mechanical Engineering, Kyungpook National University 1370, Sankyuk-dong, Buk-gu, Daegu, 702-701, Republic of Korea

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CHANG MIN SUH

School of Mechanical Engineering, Kyungpook National University 1370, Sankyuk-dong, Buk-gu, Daegu, 702-701, Republic of Korea

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https://doi.org/10.1142/S0217979210065441Cited by:0 (Source: Crossref)

Abstract

The fractional quantitative computed tomography (fQCT) to determine both quantity and distribution of bone mineral was evaluated based on the mechanical properties of trabecular bone. Using quantitative computed tomography (QCT), bone mineral density was measured at 46 areas from 5 bovine tibias. Subsequently, fQCT was measured by the proportion of pixels showing a bone mineral density greater than 290 mg/ml. Based on the mechanical properties of the bone specimens, the QCT and the fQCT were compared. The fQCT showed a significant correlation with the compressive strength with superiority to the QCT.

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