ArticleImaging science in dentistry2025
Noise-optimized cone-beam computed tomographic imaging of different post materials with multiple settings: A comparative analysis.
Article in Imaging science in dentistry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Purpose: The aim of this study was to evaluate the effect of 4 different post materials on the contrast-to-noise ratio (CNR) in various tooth regions using multiple cone-beam computed tomography (CBCT) imaging settings and metal artifact reduction (MAR) algorithms. Materials and Methods: Forty single-rooted teeth with 4 different post materials were mounted in a skull and scanned using the Planmeca ProMax 3D Max under different conditions: 90 and 96 kVp; no, medium, and high MAR settings; and voxel sizes of 100 and 200 μm. Image analysis was performed with ImageJ software to calculate CNR. The dose-area product (DAP) was recorded, and the effective dose was calculated. Results: When all other parameters were held constant, each factor significantly influenced mean CNR ( Conclusion: The combination of low resolution, medium MAR, and 96 kVp provided the highest image quality and CNR for visualizing teeth with post materials using the Planmeca ProMax, while also producing one of the lowest effective doses.
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