The Efficiency of Fluoride Bioactive Glasses in Protecting Enamel Surrounding Orthodontic Bracket

Figure 6

FTIR analysis for the tested groups. The dotted circles are referring to the characteristic hydroxyapatite bands at 560 cm^-1 and at 1001 cm^-1. Finger pointer in (e) referring to the single band observed in FBG4.

(a)

(b)

(c)

(d)

(e)