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Abstract: Objective: The aim of this study was to evaluate the validity and reliability of electric potential difference (kVp), with and without the use of metal artifacts reduction tool (MAR), Can the usage of MAR protocols and electric Potential Difference (kVp) reduce the metallic artifacts resulting from metallic structures in CBCT? Methodology: Jaw models with the same radiodensity as the normal average human jaw bones with full veneered crowns attached to them, and were scanned by using Planmeca ProMax® 3D Mid CBCT machine, using different values of kVp, with and without the activation of MAR tool. Romexis® software was used for image analysis. For each crown restoration, the length of the alveolar bone affected by the artifacts under the crown from the crest of the ridge till the inferior border of the mandible was assessed quantitatively. Results The activation of the MAR tool in the software effectively reducing the effect of the artifacts in the CBCT images when compared to the effect of the different kVp values alone without MAR activation. Conclusions: The activation of MAR tool in the software should be considered to reduce the effect of CBCT artifacts when scanning multiple metallic objects.

egyptian dental journal /egyptian dental journal

Effect of Metal Artifacts Reduction Protocols and Electric Potential Difference (kVp) on Metal Artifacts in Cone Beam Computed Tomography ( A Diagnostic Accuracy study )