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Comparison of Cone-beam Computed Tomography and Multi-slice Spiral Computed Tomography Bone Density Measurements in
Unlabelled:
The purpose of this study was to compare cone-beam computer tomography (CBCT) and multi-slice spiral computed tomography (MSCT) bone density measurements in the maxilla and mandible to determine whether any discrepancies between imaging modalities exist.
Material & Methods:
33 sets of CBCT and MSCT scans were evaluated using Simplant software. Density measurements were made in eight regions of interest on each scan and were compared and analyzed.
Results:
Correlation of density measurements at specific regions of interest between CBCT and MSCT was only fair and ranged from 0.61-0.86. High-density areas, such as the anterior mandible, showed a higher correlation between imaging modalities than low-density regions, such as the posterior maxilla.
Conclusion:
Care should be taken when relying upon CBCT to determine bone density, especially in low-density regions such as the posterior maxilla.
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