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CT examination of an 81-year-old patient with chronic bisphosphonate-induced osteonecrosis. CT slice at the level of the oropharynx before (a) and after (b) post-processing with iterative metal artefact reduction (iMAR). Several artefacts were present near the implanted metal hardware in the maxilla before post-processing and were considerably reduced after the application of iMAR, which improved the quality of the image.
