Eha Renwi Astuti, - and Ramadhan Hardani Putra, - and Dina Karimah Putri, - and Nastiti Faradilla Ramadhani, - and Tengku Natasha Eleena Binti Tengku Ahmad Noor, - and Bintang Rahardjo Putra, - and Adhela Maheswari Pikantara Djajadiningrat, - (2023) The sensitivity and Spesivisity of YOLO V4 for tooth detection on Panoramic Radiographs. Journal of International Dental and Medical Research, 16 (1). pp. 442-446. ISSN 1309-100X

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Abstract

This study aimed to evaluate the performance of You Only Look Once (YOLO) v4 architecture for tooth detection on panoramic radiographs by calculating the sensitivity and specificity of a trained model. This observational descriptive study included 400 and 100 panoramic radiograph datasets that were divided into training and test data, respectively. Thirty-two permanent tooth objects were annotated based on the Fédération Dentaire Internationale numbering system. The annotated images were fed into a YOLO v4 model for the training process. Then, the trained model was tested on 100 panoramic images, which had 1,600 teeth and 1,600 edentulous areas. The sensitivity and specificity of YOLO v4 were calculated using a confusion matrix validated manually by a dental radiologist. YOLO v4 produced 1.534 and 1.568 true positive and true negative detections, respectively. The sensitivity and specificity of YOLO v4 for tooth detection on the panoramic radiographs were 99.42% and 87.06%, respectively. Within the limitations of this study, YOLO v4 demonstrated high sensitivity for tooth detection on panoramic radiographs. Further improvement in specificity should focus on minimizing the number of false positives in tooth detection through dataset improvement and architecture modification

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