Evaluation of artificial intelligence for detecting periapical pathosis on cone-beam computed tomography scans.

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Abstract

To verify the diagnostic performance of an artificial intelligence system based on the deep convolutional neural network method to detect periapical pathosis in Cone-Beam Computed Tomography (CBCT) images.
In total, images of 153 periapical lesions obtained from 109 patients were included. The specific area of the jaw and teeth associated with the periapical lesions were then determined by a human observer. Lesion volumes were calculated using the manual segmentation methods using Fujifilm-Synapse 3D software (Fujifilm Medical Systems, Stamford, Conn, USA). The neural network was then used to determine (1) whether the lesion could be detected; (2) if the lesion was detected, where it was localized (maxilla, mandible, or specific tooth); and (3) lesion volume. Manual segmentation and artificial intelligence (AI) (Diagnocat Inc., Moscow, Russia) methods were compared using Wilcoxon signed rank test and Bland-Altman analysis.
The deep convolutional neural network system was successful in detecting teeth and numbering specific teeth. Only one tooth was incorrectly identified. The AI system was able to detect 142 of a total of 153 periapical lesions. The reliability of correctly detecting a periapical lesion was 92.8%. The deep convolutional neural network volumetric measurements of the lesions were similar to those with manual segmentation. There was no significant difference between the two measurements methods (p> 0,05).
Volume measurements performed by humans and by AI systems were comparable to each other. AI systems based on deep learning methods can be useful in detecting periapical pathosis in CBCT images for clinical application.
© 2020 International Endodontic Journal. Published by John Wiley & Sons Ltd.