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. 2019 Jan 12;92(1096):20180756. doi: 10.1259/bjr.20180756

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© 2019 The Authors. Published by the British Institute of Radiology

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Figure 1. — Effect of iMAR on mean HU ± 95% CI of the most artifact-affected anatomical structures M. masseter and Septum linguae in the vicinity of dental fillings/implants and on mean HU of the M. sternocleidomastoideus located in the border area of artifacts. iMAR corrected CT HU marked with two asterisks differ significantly from noMAR CT HU (p < .01). (b) Effect of iMAR on mean voxelwise HU standard deviation ± 95% CI of the most artifact-affected anatomical structures M. masseter and Septum linguae in the vicinity of dental fillings/implants and on mean HU of the M. sternocleidomastoideus located in the border area of artifacts. iMAR corrected CT HU marked with two asterisks differ significantly from noMAR CT HU (p<.01). CI, confidence interval; HU, Hounsfield unit; iMAR, iterative metal artifact reduction.