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ORIGINAL ARTICLE
Year : 2016  |  Volume : 7  |  Issue : 2  |  Page : 58-63

Comparing the accuracy of linear measurements in different image views of Galileos cone-beam computed tomography unit


1 Department of Radiology, School of Dentistry, Dental Implants Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
2 Department of Oral and Maxillofacial Radiology, Isfahan University of Medical Sciences, Isfahan, Iran
3 Faculty of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
4 Department of Dental School, Isfahan University of Medical Sciences, Isfahan, Iran

Correspondence Address:
Sajad Ghorbanizadeh
Department of Radiology, School of Dentistry, Dental Implants Research Center, Isfahan University of Medical Sciences, Hezarjerib Street, Isfahan
Iran
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DOI: 10.4103/0976-433X.182672

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Objectives: The aim of this study was to compare the accuracy of linear measurements in axial, cross-sectional, and tangential cone-beam computed tomography. (CBCT) images in dry human skulls. Materials and Methods: Six dry human skulls were included in the study. Opaque markers were attached to the alveolar bone. Buccolingual and mesiodistal distances and height were measured in 5 different regions by a digital caliper. (Guanglu, Taizhou, China). Radiographic measurements were made in tangential, cross-sectional, and axial CBCT images. To determine the accuracy of linear measurements, the physical and radiographic measurements were compared. Intraclass correlation coefficient, Wilcoxon, one-sample t-test, and univariate analysis of variance were used to analyze the data. Results: The differences between physical and radiographic measurements were not clinically significant in any of the views. (P < 0.05). Conclusions: By opaque markers, the accuracy of measurements in Galileos CBCT machine is adequate in all CBCT image views.


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