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February 14, 2026DiagnosticsOpen Access

Short-Wave Infrared Reflectance at 1050–1550 nm for Proximal Caries Detection: An In Vitro Diagnostic Accuracy Study Validated by Micro-CT

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Authors

FLF. LitzenburgerKKKarl-Heinz KunzelmannEWElias Walter

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Overview

In vitro diagnostic accuracy study evaluates proximal caries detection with SWIRR wavelengths, suggesting optimal use.

Key Points

  • Evaluate the effectiveness of short-wave infrared reflectance imaging for detecting proximal caries at various wavelengths.
  • Assessed SWIRR at 1050, 1200, 1300, and 1550 nm for proximal caries detection
  • Used micro-computed tomography as the reference standard
  • Employed digital bitewing radiography for comparison
  • Evaluated diagnostic performance metrics such as sensitivity and specificity
  • Analyzed examiner reliability with kappa statistics
  • SWIRR showed increasing sensitivity and decreasing specificity with longer wavelengths
  • Highest overall accuracy was 80.0% at 1050 nm, better than BWR at 73.8%
  • Sensitivity peaked at 1550 nm but resulted in more false positives

Cite This Study

Litzenburger et al. (2026) studied this question.

synapsesocial.com/papers/699011812ccff479cfe583eahttps://doi.org/10.3390/diagnostics16040548
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Also Consider

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  1. 1In vitro early proximal caries detection using trilateral short-wave infrared reflection at 1050 and 1550 nm2024 · 1 citations
  2. 2A Pilot Study on the Detection of Proximal Caries in Permanent Anterior Human Teeth Using Lateral Short-Wave Infrared Transillumination at 1300 nm2025
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  4. 4Clinical SWIR and CP-OCT imaging of interproximal lesions2024 · 7 citations
  5. 5Application of Multi-Spectral Imaging Technique in the Diagnosis of Dental Caries - An In-Vitro Study2025