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Fig. 2 | BMC Oral Health

Fig. 2

From: Accuracy of in vitro mandibular volumetric measurements from CBCT of different voxel sizes with different segmentation threshold settings

Fig. 2

Mean iterative distance of the superimposition. The mean iterative distance of the superimposition of each CBCT scanning file and laser scanning file was auto-calculated. For the .125-mm voxel size, the least iterative distance was achieved when we chose 100 as the minimum HU threshold of segmentation. This equally applied to 200 for the .2-mm voxel size, 300 for the .3-mm voxel size, and 400 for the .4-mm voxel size as the minimum HU threshold of segmentation. Statistical significance can be seen in the .4-mm group (P = .07)

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BMC Oral Health

ISSN: 1472-6831

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