Research Article

Determining the Effect of Calculus, Hypocalcification, and Stain on Using Optical Coherence Tomography and Polarized Raman Spectroscopy for Detecting White Spot Lesions

Figure 4

Representative OCT depth images of a (a) white spot lesion, (b) calculus deposit on a tooth surface, (c) hypocalcified cusp tip, and (d) region of stained enamel ( ). All areas of interest are highlighted by the green markings.
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(a)
879252.fig.004b
(b)
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(c)
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(d)