Adapting Foundation Model for Dental Caries Detection with Dual-View Co-Training

• URL: http://arxiv.org/abs/2508.20813v1
• Date: Thu, 28 Aug 2025 14:13:26 GMT
• Title: Adapting Foundation Model for Dental Caries Detection with Dual-View Co-Training
• Authors: Tao Luo, Han Wu, Tong Yang, Dinggang Shen, Zhiming Cui,
• Abstract summary: We present Attention-TNet, a novel Dual-View Co-Training network for accurate dental caries detection.<n>OurTNet starts with employing automated tooth detection to establish two complementary views: a global view from panoramic X-ray images and a local view from cropped tooth images.<n>To effectively integrate information from both views, we introduce a Gated Cross-View module.
• Score: 53.77904429789069
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Accurate dental caries detection from panoramic X-rays plays a pivotal role in preventing lesion progression. However, current detection methods often yield suboptimal accuracy due to subtle contrast variations and diverse lesion morphology of dental caries. In this work, inspired by the clinical workflow where dentists systematically combine whole-image screening with detailed tooth-level inspection, we present DVCTNet, a novel Dual-View Co-Training network for accurate dental caries detection. Our DVCTNet starts with employing automated tooth detection to establish two complementary views: a global view from panoramic X-ray images and a local view from cropped tooth images. We then pretrain two vision foundation models separately on the two views. The global-view foundation model serves as the detection backbone, generating region proposals and global features, while the local-view model extracts detailed features from corresponding cropped tooth patches matched by the region proposals. To effectively integrate information from both views, we introduce a Gated Cross-View Attention (GCV-Atten) module that dynamically fuses dual-view features, enhancing the detection pipeline by integrating the fused features back into the detection model for final caries detection. To rigorously evaluate our DVCTNet, we test it on a public dataset and further validate its performance on a newly curated, high-precision dental caries detection dataset, annotated using both intra-oral images and panoramic X-rays for double verification. Experimental results demonstrate DVCTNet's superior performance against existing state-of-the-art (SOTA) methods on both datasets, indicating the clinical applicability of our method. Our code and labeled dataset are available at https://github.com/ShanghaiTech-IMPACT/DVCTNet.

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