Evaluation of root canal filling length on periapical radiograph using artificial intelligence

Objectives This work proposes a novel method to evaluate root canal filling (RCF) success using artificial intelligence (AI) and image analysis techniques. Methods 1121 teeth with root canal treatment in 597 periapical radiographs (PARs) were anonymized and manually labeled. First, RCFs were segment...

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Veröffentlicht in:Oral radiology 2025, Vol.41 (1), p.102-110
Hauptverfasser: Çelik, Berrin, Genç, Mehmet Zahid, Çelik, Mahmut Emin
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Sprache:eng
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Zusammenfassung:Objectives This work proposes a novel method to evaluate root canal filling (RCF) success using artificial intelligence (AI) and image analysis techniques. Methods 1121 teeth with root canal treatment in 597 periapical radiographs (PARs) were anonymized and manually labeled. First, RCFs were segmented using 5 different state-of-the-art deep learning models based on convolutional neural networks. Their performances were compared based on the intersection over union (IoU), dice score and accuracy. Additionally, fivefold cross validation was applied for the best-performing model and their outputs were later used for further analysis. Secondly, images were processed via a graphical user interface (GUI) that allows dental clinicians to mark the apex of the tooth, which was used to find the distance between the apex of the tooth and the nearest RCF prediction of the deep learning model towards it. The distance can show whether the RCF is normal, short or long. Results Model performances were evaluated by well-known evaluation metrics for segmentation such as IoU, Dice score and accuracy. CNN-based models can achieve an accuracy of 88%, an IoU of 79% and Dice score of 88% in segmenting root canal fillings. Conclusions Our study demonstrates that AI-based solutions present accurate and reliable performance for root canal filling evaluation.
ISSN:0911-6028
1613-9674
1613-9674
DOI:10.1007/s11282-024-00781-3