Spatial and contrast resolution of ultralow dose dentomaxillofacial CT imaging using iterative reconstruction technology
Gerlig Widmann; Alexander Bischel; Andreas Stratis; Hilde Bosmans; Reinhilde Jacobs; Eva-Maria Gassner; Wolfgang Puelacher; Ruben Pauwels · 2017 · Dentomaxillofacial Radiology
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract
OBJECTIVES: The objective of this study was to determine how iterative reconstruction technology (IRT) influences contrast and spatial resolution in ultralow-dose dentomaxillofacial CT imaging. METHODS: A polymethyl methacrylate phantom with various inserts was scanned using a reference protocol (RP) at CT dose index volume 36.56 mGy, a sinus protocol at 18.28 mGy and ultralow-dose protocols (LD) at 4.17 mGy, 2.36 mGy, 0.99 mGy and 0.53 mGy. All data sets were reconstructed using filtered back projection (FBP) and the following IRTs: adaptive statistical iterative reconstructions (ASIRs) (ASIR
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Metadata source: OpenAlex · DOI 10.1259/dmfr.20160452