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

Table 1

Results of ANOVA followed by unequal N HSD post-hoc comparison analyses with the 𝑃 values shown. Mean Raman depolarization ratios (𝜌; ± standard deviation) for each group are also displayed.

Group	Caries	Sound Enamel	Enamel with Calculus	Stained Enamel	Hypocalcified Enamel
Caries  𝜌=0.14 ± 0.07	—	𝑃<.001	𝑃<.001	𝑃=.97	𝑃<.05
Sound Enamel  𝜌=0.06 ± 0.04	𝑃<.001	—	𝑃<.001	𝑃<.001	𝑃=.84
Enamel with Calculus  𝜌=0.22 ± 0.14	𝑃<.001	𝑃<.001	—	𝑃<.001	𝑃<.001
Stained Enamel  𝜌=0.13 ± 0.11	𝑃=.97	𝑃<.001	𝑃<.001	—	𝑃=.09
Hypocalcified Enamel  𝜌=0.08 ± 0.06	𝑃<.05	𝑃=.84	𝑃<.001	𝑃=.09	—