ArticleJournal of dentistry2025
Assessment of the activity of root caries lesions using short wavelength infrared imaging - an in vitro pilot study.
Article in Journal of dentistry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
3 citing papers in PubMed.
- Photonic Methods for the Assessment of Lesion Activity.Diagnostics (Basel, Switzerland) · 2026Review
- Short-wave infrared (SWIR) spectroscopy and imaging of biological tissues: a decade of advancements (2016-2025).Journal of biomedical optics · 2026Review
- Review of shortwave infrared imaging and spectroscopy in tissue [Invited].Biomedical optics express · 2025Review
Corrections and comments
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Authors and funding
2 authors.
Funding
Abstract
objectivesNew kinetic approaches that exploit differential water absorption appear to be more effective for assessing lesion activity on root surfaces using short wavelength infrared (SWIR) imaging. The aim of this pilot study was to employ multispectral time-resolved SWIR imaging to assess the activity of root caries.
methodsA SWIR imaging array and SWIR light sources at 1040 and 1470 nm were used to assess the activity of ten arrested and ten active root caries lesions on extracted teeth during forced air drying for 60 s. Cross-polarization optical coherence tomography (CP-OCT) was used to assess the presence of a highly mineralized transparent surface zone that was used to indicate lesion activity. Thermal imaging of matching lesion areas was also used for comparison. Multiple kinetic parameters were extracted from the time vs intensity SWIR dehydration curves and used to assess lesion activity.
resultsKinetic parameters extracted from the SWIR dehydration curves showed large and significant differences between active and arrested lesion areas. The ratio of the means of the exponential decay constant for the time vs intensity 1040/1470 difference curves between active and arrested lesions was highest and it was similar to the ratio measured for the heat loss using thermal imaging.
conclusionsThis study demonstrates that time-resolved SWIR reflectance imaging has great potential for the assessment of lesion activity on root surfaces in addition to other tooth surfaces. CLINICAL SIGNIFICANCE: Improved methods for the assessment of lesion activity are expected to reduce the number of unnecessary cavity preparations.
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