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. 2022 Oct 17;22(20):7874. doi: 10.3390/s22207874
DWT Direct Wavelet Transform
FTIR Fourier Transform InfraRed spectroscopy
GCF Gingival Crevicular Fluid
GNP gold nano particles
μ-FTIR Fourier Transform InfraRed micro-spectroscopy
μ-RS micro-Raman spectroscopy
OTM orthodontic tooth movement
SERS surface enhanced Raman spectroscopy
SNV standard normal variate