1. Polarization-sensitive optical coherence tomographic imaging of artificial demineralization on exposed surfaces of tooth roots

    Background and objectives: The purpose of this study was to assess the potential of polarization-sensitive optical coherence tomography (PS-OCT) to non-destructively measure the depth and severity of artificial demineralization on exposed root surfaces and measure the degree of inhibition by topical fluoride. Although PS-OCT imaging studies have demonstrated the utility of PS-OCT for imaging carious lesions on enamel and dentin surfaces the influence of the cementum layer that is present on intact root surfaces has not been investigated. Materials and methods In this study, extracted human tooth roots were partitioned into three sections with one partition treated with topical fluoride ...
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