Comparison of the accuracy of full head cone beam CT images obtained using a large field of view and stitched images

Dento Maxillo Facial Radiology
Mehmet Ozgur Ozemre, Ayse Gulsahi

Abstract

The aim of this study was to investigate the accuracy of the new stitching feature of the Morita 3D Accuitomo device by comparing it with the I-CAT device and real measurements. Eight dry skulls were used in this study. The full scan mode of an I-CAT device and the new stitching feature of the Morita 3D Accuitomo device were used to obtain full head cone beam CT (CBCT) images, and the linear distances between the selected anatomical sites were measured by two observers. The real distances were measured directly on the skulls using digital calipers. Statistical analyses were performed using the intraclass correlation coefficient and Bland-Altman Limits of Agreement. High or perfect agreement was detected between the CBCT images and real measurements. The Bland-Altman Limits of Agreement analysis revealed that the stitched coronal and sagittal images of the Morita might differ by >1.54-1.67 or <0.01 mm from the real measurements. The stitched images of the Morita CBCT device showed perfect agreement with both real measurements and the images of an I-CAT full head scan. After the evaluation of the radiation doses received from stitching sectional images, this device may be used to obtain full head images.

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Citations

Jan 9, 2019·Clinical Implant Dentistry and Related Research·Mohamed ElhadidiMostafa El-Gengehi
Aug 31, 2019·Dento Maxillo Facial Radiology·Gustavo Machado SantaellaRubens Spin-Neto
Feb 5, 2021·Expert Review of Medical Devices·Yen-Wei ChenKanako J Nagatomo

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