Correlation between the Periapical Index and Lesion Volume in Cone-Beam Computed Tomography Images
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Introduction
The study aimed to correlate the Periapical Index (PAI), obtained by way of periapical radiographs, with the volume of chronic periapical lesion, obtained through cone-beam computed tomography (CBCT), in the permanent teeth.Methods and Materials: Radiographs and CBCT images were selected from 35 single-rooted permanent teeth, with fully formed apices, with a diagnosis of pulp necrosis and chronic apical periodontitis that was radiographically visible. Two independent raters evaluated the radiographs on two separate occasions and classified the periapical lesions in accordance with Ørstaviks PAI. The periapical lesion volume was calculated in the CBCT images. The correlation between the PAI and the lesion volume was calculated using Spearmans correlation test.
Results
There was a positive, moderate correlation between the PAI and the volume (rs=0.596; PConclusion
The radiographic evaluation of the periapical lesion does not reflect the lesions volumetric characteristics as the volume had a moderate effect on the choice of PAI score.Keywords:
Language:
English
Published:
Iranian Endodontic Journal, Volume:13 Issue: 2, Spring 2018
Pages:
155 to 158
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