1. Longitudinal assessment of subsurface artificial root caries lesions by optical coherence tomography in comparison with transverse microradiography

    Longitudinal assessment of subsurface artificial root caries lesions by optical coherence tomography in comparison with transverse microradiography

    We previously demonstrated that a swept-source optical coherence tomography system (SS-OCT) without polarization-sensing could quantitatively estimate the progress of cavitated dentin lesions in vitro. The purpose of the current study was to investigate the ability to estimate the lesion development in non-cavitated dentin lesions with a surface layer. Bovine root dentin specimens were subjected to different periods of demineralization (1 to 14 days). Cross-sectional images of the specimens before and after the demineralization were captured by SS-OCT at 1310 nm center wavelength. Following each period, the specimens were cut into sections for transverse microradiography (TMR) and correlations between SS-OCT data ...

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