Artificial intelligence assisted panoramic radiography for enhanced caries diagnosis in clinical dental practice

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Abstract

Objectives This study aimed to evaluate the effectiveness of artificial intelligence (AI) panoramic radiography in improving caries detection accuracy in clinical dental practice, with a particular focus on enhancing diagnostic accuracy among early-career dentists. Materials and Methods In this retrospective diagnostic accuracy study, 15 dentists (12 young dentists with ≤ 3 years experience, 3 experienced dentists with > 10 years experience) interpreted 402 panoramic images under four conditions: AI-assisted, unassisted, AI-only, and expert reference. Primary endpoints included tooth-level sensitivity/specificity; secondary outcomes comprised interpretation time, case-level metrics, predictive values, and area under curve (AUC). Ground truth was established by three experienced experts using pixel-wise annotations. Results When assisted by the AI system, young dentists showed a marked improvement in sensitivity (Δ = 15.0%, 82.4% vs 67.4%, P  < 0.001) without compromising specificity (97.4% vs 97.2%), suggesting that AI may help bridge the diagnostic experience gap. Interpretation time was also shortened by 22.7% (50.37 s vs 65.12 s, P  = 0.003). Case-level analysis showed improved sensitivity (93.3% vs 84.7%, P <  0.001) and negative predictive value (93.9% vs 88.0%, P  = 0.008). When operating independently, the AI system achieved 79.2% sensitivity and 98.4% specificity (AUC = 0.938), outperforming unassisted young dentists in both metrics ( P  < 0.05). Conclusions AI-assisted panoramic radiography demonstrated clinically meaningful improvements in diagnostic performance and efficiency, particularly benefiting less experienced dentists.

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