期刊
APPLIED SCIENCES-BASEL
卷 12, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/app12031595
关键词
missing tooth regions detection; tooth instance segmentation; dental implant placement; dental implant; panoramic radiographic image
类别
资金
- Small and Medium Enterprise R&D Sharing Center (SMEBridge) - Ministry of Science and ICT (MSIT), the Republic of Korea [A0801043001]
- Ministry of Science & ICT (MSIT), Republic of Korea [A0801043001] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This study proposes an automated method for detecting missing tooth regions in panoramic radiographic images, assisting clinicians in diagnosing missing teeth regions for implant placement.
Dental implantation is a surgical procedure in oral and maxillofacial surgery. Detecting missing tooth regions is essential for planning dental implant placement. This study proposes an automated method that detects regions of missing teeth in panoramic radiographic images. Tooth instance segmentation is required to accurately detect a missing tooth region in panoramic radiographic images containing obstacles, such as dental appliances or restoration. Therefore, we constructed a dataset that contains 455 panoramic radiographic images and annotations for tooth instance segmentation and missing tooth region detection. First, the segmentation model segments teeth into the panoramic radiographic image and generates teeth masks. Second, a detection model uses the teeth masks as input to predict regions of missing teeth. Finally, the detection model identifies the position and number of missing teeth in the panoramic radiographic image. We achieved 92.14% mean Average Precision (mAP) for tooth instance segmentation and 59.09% mAP for missing tooth regions detection. As a result, this method assists diagnosis by clinicians to detect missing teeth regions for implant placement.
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