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대한골다공증학회지 2011 Apr; 9(1): 115~125
종골 으뜸 압박 골소주의 뼈 강도
백명현․원예연1․정양국2․HR Girish1․서정호3․김광균4․김영은3
BK메디텍㈜ 기술연구소, 아주대학교 의과대학 정형외과학교실1, 가톨릭대학교 의과대학 정형외과학교실2, 단국대학교 기계공학과3, 건양대학교 의과대학 정형외과학교실4
대한골다공증학회지 2011 Apr; 9(1): 115~125
중심단어 : Bone strength, Finite element analysis, Morphometric indices, BMD, Trabecular bone

Bone Strength of the Primary Compression Trabeculae in Human Calcaneus
Myong-Hyun Baek, Ye-Yeon Won1, Yang-Guk Chung2, Girish Halasinanagenahalli Rudrappa1, Jung Ho Seo3, Kwang-Kyoun Kim4, Young Eun Kim3
Technical Institute, BK Meditech Co., Ltd, Hwasung, Department of Orthopaedic Surgery, Ajou University School of Medicine1, Suwon, Department of Orthopaedic Surgery, College of Medicine, The Catholic University of Korea2, Seoul, Department of Mechanical Engineering, Dankook University3, Yongin, Department of Orthopaedic Surgery, Konyang University School of Medicine4, Daejon, Korea
Objectives: The accuracy of bone strength can be improved for medically treating osteoporosis by diagnosing and predicting fracture risk. In this study, we calculated the material properties of calcaneus bone and evaluated the statistical correlation of the bone mineral density (BMD) with morphometry indices and bone strength. Materials & Methods: Twelve cored bone samples were obtained from the primary compressive trabeculae of human calcaneus. All samples were scanned with a Lunar PIXImusⓇ, and two-dimensional serial section images were obtained on a μ-computed tomography system. A mechanical test was performed with an Instron universal testing machine and finite element analysis (FEA) to determine material properties and bone strength. Results: The material property of the samples was 2.97 GPA. BMD was significantly correlated with bone strength and morphometric indices except for Tb.Sp, DA, and Tb.N. The statistical relationship between bone strength and the morphometric indices was significant except for DA. Conclusions: FEA based on in vivo high resolution serial section images can be used to directly evaluate bone strength and will be a useful tool in clinical practice for diagnosing osteoporosis and predicting fracture risk.
J Korean Society of Ostioporosis 2011 Apr; 9(1): 115~125
Key_word : Bone strength, Finite element analysis, Morphometric indices, BMD, Trabecular bone
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