Comparative Evaluation of 2D Versus 3D Imaging Modalities in the Diagnosis of Root Resorption and Periapical Pathologies
Abstract
Accurate diagnosis of root resorption and periapical pathologies is critical for effective endodontic treatment planning and prognosis.
Conventional two-dimensional (2D) imaging modalities, including periapical and panoramic radiographs, have been widely used;
however, they present limitations such as superimposition and reduced sensitivity for early or complex lesions. Cone-beam computed
tomography (CBCT), a three-dimensional (3D) imaging modality, offers enhanced visualization of anatomical structures and improved
detection of endodontic pathologies. This study aims to comparatively evaluate the diagnostic accuracy of 2D and 3D imaging modalities
in identifying root resorption and periapical lesions. A cross-sectional analysis was conducted on patients presenting with suspected
endodontic pathologies. Images were independently assessed by experienced endodontists, and diagnostic outcomes, including
sensitivity, specificity, and interobserver reliability, were analyzed. Findings demonstrated that CBCT significantly improves detection
rates of root resorption and periapical pathologies compared to conventional 2D radiographs, offering higher diagnostic confidence
and better guidance for clinical decision-making. While 2D imaging remains valuable for routine screening, 3D imaging is recommended
for complex cases where precise assessment is critical.
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