1. Non-invasive Cross-sectional Visualization of Enamel Crack using OCT

    Non-invasive Cross-sectional Visualization of Enamel Crack using OCT
    Objective:Detection of enamel crack by current methods is not highly sensitive. Optical coherence tomography (OCT) is a promising diagnostic method for creating cross-sectional imaging of internal biological structures by measuring echoes of backscattered light. In this study, we examined a swept-source OCT (SS-OCT) as a diagnostic tool for enamel crack. Method: Swept-source optical coherence tomography (SS-OCT, Proto type, Panasonic Shikoku Electronics Co., Ltd, Japan) is a variant of OCT and sweeps the near-IR wavelength at a rate of 30-kHz over a span of 100 nm centered at 1330 nm. SS-OCT time-encodes the wavenumber by rapidly turning the narrowband and ...
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