04 July 2017 : Clinical Research
The Reliability of Panoramic Radiography Versus Cone Beam Computed Tomography when Evaluating the Distance to the Alveolar Nerve in the Site of Lateral TeethGabrielė Česaitienė1BCEF*, Kęstutis Česaitis2BEF, Jonas Junevičius2ADEG, Tadas Venskutonis1ACDE
Med Sci Monit 2017; 23:3247-3252
BACKGROUND: The aim of this study was to compare the reliability of panoramic radiography (PR) and cone beam computed tomography (CBCT) in the evaluation of the distance of the roots of lateral teeth to the inferior alveolar nerve canal (IANC).
MATERIAL AND METHODS: 100 PR and 100 CBCT images that met the selection criteria were selected from the database. In PR images, the distances were measured using an electronic caliper with 0.01 mm accuracy and white light x-ray film reviewer. Actual values of the measurements were calculated taking into consideration the magnification used in PR images (130%). Measurements on CBCT images were performed using i-CAT Vision software. Statistical data analysis was performed using R software and applying Welch’s t-test and the Wilcoxon test.
RESULTS: There was no statistically significant difference in the mean distance from the root of the second premolar and the mesial and distal roots of the first molar to the IANC between PR and CBCT images. The difference in the mean distance from the mesial and distal roots of the second and the third molars to the IANC measured in PR and CBCT images was statistically significant.
CONCLUSIONS: PR may be uninformative or misleading when measuring the distance from the mesial and distal roots of the second and the third molars to the IANC.
Keywords: Cone-Beam Computed Tomography, Endodontics, Mandibular Nerve, Paresthesia, Radiography, Panoramic
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