Evaluating Diagnostic Efficacy of Cone Beam Computed Tomography Performed in Different Imaging Conditions Based on Field of View and Resolution in the Detection of Mandibular Condyle Erosions: An In Vitro Study

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Sharifi Shoshtari Sanaz; RAZAVI MAHSHID; Boostani Fard Parisa; ROHANI ALI; HAMIDIAVAL SHADI; Niroomand Naghme

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Journal: Iranian Journal of Radiology Year:2019 | Volume:16 | Issue:3 Page(s): 0-0

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Title

Evaluating Diagnostic Efficacy of Cone Beam Computed Tomography Performed in Different Imaging Conditions Based on Field of View and Resolution in the Detection of Mandibular Condyle Erosions: An In Vitro Study

Author(s)

Keywords

Mandibular Condyle Erosions

CBCT NewTom VGi System

Voxel Size

FOV

Abstract

Background: New cone beam computed tomography (CBCT) devices have the ability to take images with different fields of views (FOVs) and resolutions. The larger the FOV and the higher resolution of the image, the higher the patient’ s dose would be. Objectives: This research aims to analyze the diagnostic accuracy of FOV’ s different dimensions and the various resolutions in the diagnosis of Mandibular Condyle Erosions. Methods: CBCT images using NewTom VGi (Verona, Italy) system in five different FOVs and resolutions (Voxel Size) were taken from eight human dried mandibles in which the erosion-like lesions were created on both condyles. Imaging was performed before and after the formation of erosion; afterwards, the images were evaluated by two maxillofacial radiologists to analyze the absence or presence of the lesions. Resultant data was evaluated by SPSS V. 22. 0, McNemar and Kappa statistical methods. Results: The highest sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy were attributed to 8 8 FOV and the lowest was attributed to 12 8 FOV. In analyzing different resolutions, the highest sensitivity, specificity, PPV, and NPV were attributed to high resolution (0. 125 and 0. 15mmVoxel Size). There was no statistically significant difference between sensitivity, specificity, PPV, andNPVof differentFOVsanddifferent resolutions. Inter-observerandintra-observer cofficiency were at excellent range. Conclusion: Considering there was no significant difference between the results, it is possible to use voxels in larger size to reduce patient’ s dose in order to detect Mandibular Condyle Erosions. In addition, FOV with lower patient’ s dose is the method of choice.

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APA: Copy

Sharifi Shoshtari, Sanaz, RAZAVI, MAHSHID, Boostani Fard, Parisa, ROHANI, ALI, HAMIDIAVAL, SHADI, & Niroomand, Naghme. (2019). Evaluating Diagnostic Efficacy of Cone Beam Computed Tomography Performed in Different Imaging Conditions Based on Field of View and Resolution in the Detection of Mandibular Condyle Erosions: An In Vitro Study. IRANIAN JOURNAL OF RADIOLOGY, 16(3), 0-0. SID. https://sid.ir/paper/284792/en

Vancouver: Copy

Sharifi Shoshtari Sanaz, RAZAVI MAHSHID, Boostani Fard Parisa, ROHANI ALI, HAMIDIAVAL SHADI, Niroomand Naghme. Evaluating Diagnostic Efficacy of Cone Beam Computed Tomography Performed in Different Imaging Conditions Based on Field of View and Resolution in the Detection of Mandibular Condyle Erosions: An In Vitro Study. IRANIAN JOURNAL OF RADIOLOGY[Internet]. 2019;16(3):0-0. Available from: https://sid.ir/paper/284792/en

IEEE: Copy

Sanaz Sharifi Shoshtari, MAHSHID RAZAVI, Parisa Boostani Fard, ALI ROHANI, SHADI HAMIDIAVAL, and Naghme Niroomand, “Evaluating Diagnostic Efficacy of Cone Beam Computed Tomography Performed in Different Imaging Conditions Based on Field of View and Resolution in the Detection of Mandibular Condyle Erosions: An In Vitro Study,” IRANIAN JOURNAL OF RADIOLOGY, vol. 16, no. 3, pp. 0–0, 2019, [Online]. Available: https://sid.ir/paper/284792/en

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