Various modes of digital cephalometric imaging and cephalometric analysis software are commercially available. This study compared the reliability and dispersion of 10 angular and 5 linear cephalometric parameters (primarily hard tissue) of conventional images, scanned conventional images, and storage phosphor images (DenOptix) measured by using manual tracings and 3 software programs (Dolphin Imaging v. 6.7, Vistadent v. 7.33, and Vistadent v. 8.01). The reliability of each method was considered clinically acceptable. Although there were statistically significant differences in the means of numerous parameters between manual tracing and other modes of images and analyses, the differences did not appear to be clinically meaningful.
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