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Fig. 7. Bone density measurements for the fourth cervical vertebrae (C4). A, Orientation of computed tomography images for C4. B, Measurement sites for C4 (yellow arrow). C, Magnified view of C4. Cortical bone densities were measured at the most anterosuperior and posteroinferior red points and cancellous bone density was measured in the middle 5 mm of the line (yellow) connecting the two red points.
Korean J Orthod 2020;50:157~169 https://doi.org/10.4041/kjod.2020.50.3.157
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