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eISSN 2005-372X

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Fig. 1. The process of merging between the scanned dentition and the three-dimensional cone-beam computed tomography (3D-CBCT) image and landmark digitization. A, Merging of the scanned dentition with 3D-CBCT image using three sectional views of the sagittal, frontal, and axial planes. B, Result of fine-tuned merging between dentition and 3D-CBCT images. C, Landmark digitization to identify the midpoint between the maxillary central incisors at the occlusal level (U1MP) and the mesiobuccal cusp tips (MBCTs) of the maxillary right and left first molar crowns using the three sectional views of the sagittal, frontal, and axial planes. The mean coordinate value from the two digitized MBCTs was automatically calculated by the ON3D software (3D ONS Inc., Seoul, Korea).
Korean J Orthod 2020;50:293~303 https://doi.org/10.4041/kjod.2020.50.5.293
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