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Infrared absorption spectra of carious dental biofilm samples in different stages of the study. 1, FTIR spectra of dental biofilm at stage I; 2, FTIR spectra of tooth paste; 3, FTIR spectra of dental biofilm at stage II; 4, FTIR spectra of the pill with calcium glycerophosphate mineral complex; 5, FTIR spectra of dental biofilm at stage III.
