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Objective To determine technical properties for a direct digital intraoral radiographic system, F1iOX (Fimet Oy, Moninkylä, Finland). Methods A dose response function was calculated from seven radiographs exposed to a homogenous radiation field. The line spread function (LSF) and the modulation transfer function (MTF) were determined from a radiograph of a test object having a slit. Noise power...
Objectives To construct and analyze perceptibility curves (PCs) according to two different approaches. Material and methods A test object was used to determine the exposures and exposure differences between the total thickness of the test object and details consisting of holes of increasing depth. Two digital systems were employed to predict PCs according to the two different approaches. One approach...
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