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Variability In Selecting Lateral Cephalometric Landmarks In Two Cbct Image Modes, Dana Nguyen
Variability In Selecting Lateral Cephalometric Landmarks In Two Cbct Image Modes, Dana Nguyen
Loma Linda University Electronic Theses, Dissertations & Projects
Purpose: The purpose of this study was to determine the variability of lateral cephalometric landmark selection in two cone beam computed tomography (CBCT) lateral cephalometric simulations: 1) a mean projection image (MPI) and 2) a serial sagittal slice image (SSSI).
Methods: A MPI is a two-dimensional (2D) image obtained from the NewTom 3GTM CBCT that resembles the conventional lateral cephalogram. A SSSI is a 2D image also obtained from CBCT data, but is created by superimposing a series of selected thin sagittal slices containing the required cephalometric landmarks. This study compared the Ricketts and Steiner analysis of the MPI …