TY - JOUR AB - We illustrate some of the uses of micro-computed tomography (micro-CT) to study tissue-engineered bone using a micro-CT facility for imaging and visualizing biomaterials in three dimensions (3-D). The micro-CT is capable of acquiring 3D X-ray CT images made up of 20003 voxels on specimens up to 5 cm in extent with resolutions down to 2 ?m. This allows the 3-D structure of tissue-engineered materials to be imaged across orders of magnitude in resolution. This capability is used to examine an explanted, tissue-engineered bone material based on a polycaprolactone scaffold and autologous bone marrow cells. Imaging of the tissue-engineered bone at a scale of 1 cm and resolutions of 10 ?m allows one to visualize the complex ingrowth of bone into the polymer scaffold. From a theoretical viewpoint the voxel data may also be used to calculate expected mechanical properties of the tissue-engineered implant. These observations illustrate the benefits of tomography over traditional techniques for the characterization of bone morphology and interconnectivity. As the method is nondestructive it can perform a complimentary role to current histomorphometric techniques. © 2004 Kluwer Academic Publishers. AU - Jones, AC AU - Sakellariou, A AU - Limaye, A AU - Arns, CH AU - Senden, TJ AU - Sawkins, T AU - Knackstedt, MA AU - Rohner, D AU - Hutmacher, DW AU - Brandwood, A AU - Milthorpe, BK DA - 2004/04/01 DO - 10.1023/B:JMSM.0000021133.48661.62 EP - 532 JO - Journal of Materials Science: Materials in Medicine PY - 2004/04/01 SP - 529 TI - Investigation of microstructural features in regenerating bone using micro computed tomography VL - 15 Y1 - 2004/04/01 Y2 - 2026/05/21 ER -