Table 4.

Deconvolution of Raman spectra of PDL samples in 2800-3000 cm${}^{-1}$ region. Raman signal intensities for main components (P1, P2, and P3) and ratios of P1 and P3 component intensities compared to P2 one (in percentage) reported at different stages of OTM. Raman band areas were normalized to 1.

Orthodontic Treatment (days)	I(P1) $\times {10}^{-3}$ (a. u.)	I(P2) $\times {10}^{-3}$; (a. u.)	I(P3) $\times {10}^{-3}$ (a. u.)	I(P1) /I(P2) (%)	I(P3)/ I(P2) (%)
0	5.02 ± 0.03	10.10 ± 0.03	4.70 ± 0.05	49.7 ± 0.2	46.5 ± 0.6
2	5.07 ± 0.06	10.90 ± 0.06	5.6 ± 0.1	47 ± 1	52 ± 2
7	4.7 ± 0.8	9.7 ± 0.4	5.0 ± 0.2	48 ± 8	51 ± 4
14	6.00 ± 0.03	10.20 ± 0.03	4.40 ± 0.05	59 ± 1	43 ± 1