ArticleDento maxillo facial radiology2021
Objective assessment of the combined effect of exomass-related- and motion artefacts in cone beam CT.
Article in Dento maxillo facial radiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Head motion and perception of discomfort by young children during simulated CBCT examinations.Dento maxillo facial radiology · 2021Trial
- What Drives Metal Artifacts in CBCT? A Comparative Study of Detector Types and Metallic Object Configurations.Radiology research and practice · 2026Article
- Development of a carrier device for dental-dedicated magnetic resonance imaging.Imaging science in dentistry · 2025Article
- Evaluation of Exomass-Related Artefacts Caused by Dental Implants of Different Materials in Cone-Beam Computed Tomography Scans: An Ex Vivo Study.Clinical oral implants research · 2025Article
- Development and evaluation of a deep learning model to reduce exomass-related metal artefacts in cone-beam CT: an ex vivo study using porcine mandibles.Dento maxillo facial radiology · 2025Article
- Effect of the Field of View Size on CBCT Artifacts Caused by the Presence of Metal Objects in the Exomass.International journal of dentistry · 2022Article
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Authors and funding
6 authors.
Funding
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Abstract
objectivesTo assess quantitatively the combined effect of exomass-related- and motion artefacts on voxel value parameters in cone beam CT (CBCT).
methodsA cylindrical phantom was manufactured, containing 21 tubes filled with a radiopaque solution, allowing the inclusion of three titanium implants in the periphery to induce exomass-related artefacts. The phantom was mounted on a robot simulating 0.75-, 1.5-, and 3 mm movements (nodding/lateral rotation/tremor). CBCT images with/without exomass and with/without movements were acquired in duplicate in three units: Cranex 3Dx, Orthophos SL-3D, and X1 (with motion-artefact correction). A cylindrical volume of interest was defined in each tube and voxel value mean and standard deviation were assessed. For each CBCT volume, the 21 mean voxel values were averaged providing the overall mean voxel value (MVV), and the standard deviation (among the 21 values) was calculated providing overall voxel value inhomogeneity (VVI). The standard deviation from each of the 21 volumes-of-interest were averaged, providing overall image noise (IN). The effect of the diverse tested situations was inferred from a repeated-measures analysis of variance, followed by Sidak's test (
resultsOverall, images acquired with exomass showed significantly (
conclusionsCBCT voxel-value parameters are altered by exomass-related artefacts, and this finding is aggravated in the presence of motion artefacts. Motion-artefact correction effectively eliminated the deleterious impact of movement.
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