Surface Enamel Remineralization: Biomimetic Apatite Nanocrystals and Fluoride Ions Different Effects

Figure 4

XPS analysis of spectral features of (a) the O 1s region of the enamel demineralized by ortophosphoric acid 37% for 1 minute, (b) enamel remineralizated by a treatment with synthetic microclusters of CHA nanocrystals 100 nm sized for 10 minutes, and (c) synthetic microclusters of CHA nanocrystals 100 nm sized.