These findings indicated that CBCT is a more accurate technique compared with the conventional 2D method. The results indicated that the two methods showed significant differences in all 12 angle and 5 linear measurements (P<0.05). Measurements in the two images were performed twice using the Steiner and Tweed standards and a single analyzer paired t‑test was used to analyze the differences between the two cephalometric methods. The 3D CBCT cephalograms were reconstructed and measured with in vivo 5.1 software, and compared with the results from the conventional 2D lateral cephalograms. A total of 40 newly diagnosed orthodontic patients (including 18 males and 22 females age range, 12‑18 years) were subjected to CBCT scanning and X‑ray imaging in order to obtain lateral cephalograms. The present study was conducted to evaluate the three‑dimensional (3D) cephalometry accuracy of cone‑beam computed tomography (CBCT).
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