Background and Objectives Recent studies have demonstrated that near‐infrared (IR) imaging can be used to acquire high‐contrast images of root caries and calculus on the root surfaces of extracted teeth at wavelengths longer than 1450 nm. The purpose of this study was to determine if image‐guided laser ablation can be used to selectively remove calculus from tooth surfaces with minimal damage to the underlying sound cementum and dentin. Materials and Methods In this study, sequential near‐IR...
Background and Objective Microcirculation plays a critical role in physiologic processes and several disease states. Laser speckle imaging (LSI) is a full‐field, real‐time imaging technique capable of mapping microvessel networks and providing relative flow velocity within the vessels. In this study, we demonstrate that LSI combine with multispectral reflectance imaging (MSRI), which allows for distinction between veins and arteries in the vascular flow maps produced by LSI. We apply this combined...
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