The Effect of Gamma Values in Detection of Internal Root Resorption in CBCT Images: An <i>In Vitro</i> Study

Background: Accurate and early diagnosis of internal root resorption is essential for determining the outcome treatment prognosis. Several digital processing algorithms have been introduced resorption. The aim present study was to evaluate effect gamma values in detection cone-beam computed tomography (CBCT) images. Methods: A total 45 healthy extracted single-rooted teeth were selected study. mesiodistally sectioned at central groove their occlusal surface using a diamond disc (0.1 mm diameter). Internal simulated cervical, middle, apical regions canal. CBCT images prepared by (low, medium, high modes). Data analyzed McNemar tests, Cohen’s kappa coefficient, receiver operating characteristic curve. P value less than 0.05 (typically≤0.05) considered statistically significant. Results: Sensitivity overall accuracy with all modes high) high, they slightly higher mode (Sensitivity: 94% accuracy: 100%) two (low medium). sensitivity specificity medium three canal (cervical, apical) optimal thresholds compared low mode. Conclusions: Gamma modes, particularly mode, imaging can be adopted as promising filter