Figure 3.
Representative reflection Fourier transform infrared microscopy (RFTIRM) spectra of reference dentin (RD), of dentin treated with the adhesives plus rinsing (RD + adhesive code), the difference spectra (DF, treated dentin-reference dentin) and the transmission spectra (RF+ adhesive code) of reference adhesives after solvent evaporation (absorbance scale, 2000–750 cm−1 wavenumber range). (a) ABU), (b) ADU, (c) CBQ, (d) GPB, (e) PRO, (f) SBU.