Advances in biomechanics and applications

  • 제1권2호
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  • Pages.111-126
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  • 2014
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  • 2287-2094(pISSN)
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  • 2287-2272(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Classification and visualization of primary trabecular bone in lumbar vertebrae

  • 투고 : 2013.09.11
  • 심사 : 2014.05.14
  • 발행 : 2014.04.25
⟨ 이전 논문 다음 논문 ⟩

초록

The microarchitecture of trabecular bone plays a significant role in mechanical strength due to its load-bearing capability. However, the complexity of trabecular microarchitecture hinders the evaluation of its morphological characteristics. We therefore propose a new classification method based on static multiscale theory and dynamic finite element method (FEM) analysis to visualize a three-dimensional (3D) trabecular network for investigating the influence of trabecular microarchitecture on load-bearing capability. This method is applied to human vertebral trabecular bone images obtained by micro-computed tomography (micro-CT) through which primary trabecular bone is successfully visualized and extracted from a highly complicated microarchitecture. The morphological features were then analyzed by viewing the percolation of load pathways in the primary trabecular bone by using the stress wave propagation method analyzed under impact loading. We demonstrate that the present method is effective for describing the morphology of trabecular bone and has the potential for morphometric measurement applications.

키워드

과제정보

연구 과제 주관 기관 : Ministry of Higher Education (MOHE)

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