Dimensional accuracy of simulated intra oral soft tissue lesion on cone beam computed tomography of mandible

Document Type : Original Article

Authors

1 Assistant Professor Oral Radiology Department, Faculty of Dentistry, Minia University

2 Professor Oral Radiology, Faculty of Dentistry, Minia University

Abstract

Objective: The aim of this study is to evaluate the accuracy of cone beam computed tomography in assessment of intra oral mucosal lesion. Methods: double layers of pink baseplate wax as simulated soft tissue were overlaid on all the seven dry mandibles. 21 simulated lesions were made, three on each mandible (one at right side, one at left side and one at the midline) The diameter of the lesions was measured with a digital caliper as the physical measurements. The mandibles were scanned using CBCT machine, the maximum dimension of each lesion ere measured by software tools. CBCT measurements were compared to the physical measurements. Results: Results showed a significant difference between the CBCT measurements compared to the true measurements. CBCT overestimate the size of simulated lesion. Conclusions: CBCT scans are not the accurate method for assessment of intra oral soft tissue lesion size
KEYWORDS: Cone beam computed tomography; soft tissue lesion

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Egyptian Dental Journal
Volume 69, Issue 2 - Serial Number 3
April (Oral Medicine, X-Ray, Oral Biology & Oral Pathology)
April 2023
Pages 1113-1118

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