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A tomographic test object.
Authors:H F Wilbrand
Abstract:Testing of the tomographic and photographic system is a prerequisite for successful reproduction of minor details particularly in tomography of the temporal bone. A test phantom has been developed, consisting of a single layer of small metal balls which can be adjusted to varying inclinations to the tomographic plane. It involves a simple procedure for examining the homogeneity and stability of the tomographic layer at wide movement angles and may also be used for calculating the layer thickness.
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