Imaging Science in Dentistry

Korean Academy of Oral and Maxillofacial Radiology (대한영상치의학회)
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Deep learning system for distinguishing between nasopalatine duct cysts and radicular cysts arising in the midline region of the anterior maxilla on panoramic radiographs

  • Yoshitaka Kise (Department of Oral and Maxillofacial Radiology, Aichi Gakuin University School of Dentistry) ;
  • Chiaki Kuwada (Department of Oral and Maxillofacial Radiology, Aichi Gakuin University School of Dentistry) ;
  • Mizuho Mori (Department of Oral and Maxillofacial Radiology, Aichi Gakuin University School of Dentistry) ;
  • Motoki Fukuda (Department of Oral Radiology, School of Dentistry, Osaka Dental University) ;
  • Yoshiko Ariji (Department of Oral Radiology, School of Dentistry, Osaka Dental University) ;
  • Eiichiro Ariji (Department of Oral and Maxillofacial Radiology, Aichi Gakuin University School of Dentistry)
  • Received : 2023.08.04
  • Accepted : 2023.11.22
  • Published : 2024.03.31
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Abstract

Purpose: The aims of this study were to create a deep learning model to distinguish between nasopalatine duct cysts (NDCs), radicular cysts, and no-lesions (normal) in the midline region of the anterior maxilla on panoramic radiographs and to compare its performance with that of dental residents. Materials and Methods: One hundred patients with a confirmed diagnosis of NDC (53 men, 47 women; average age, 44.6±16.5 years), 100 with radicular cysts (49 men, 51 women; average age, 47.5±16.4 years), and 100 with normal groups (56 men, 44 women; average age, 34.4±14.6 years) were enrolled in this study. Cases were randomly assigned to the training datasets (80%) and the test dataset (20%). Then, 20% of the training data were randomly assigned as validation data. A learning model was created using a customized DetectNet built in Digits version 5.0 (NVIDIA, Santa Clara, USA). The performance of the deep learning system was assessed and compared with that of two dental residents. Results: The performance of the deep learning system was superior to that of the dental residents except for the recall of radicular cysts. The areas under the curve (AUCs) for NDCs and radicular cysts in the deep learning system were significantly higher than those of the dental residents. The results for the dental residents revealed a significant difference in AUC between NDCs and normal groups. Conclusion: This study showed superior performance in detecting NDCs and radicular cysts and in distinguishing between these lesions and normal groups.

Keywords

Acknowledgement

We thank Edanz (https://jp.edanz.com/ac) for editing drafts of this manuscript.

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