In Vitro Comparison of Fluoride, Magnesium, and Calcium Phosphate Materials on Prevention of White Spot Lesions around Orthodontic Brackets

Figure 3

Frequency distribution plots for the pre- and posttreatment visual scores for (a) control group, (b) FT group, (c) NFT group, (d) FV+FT group, (e) CPP-ACP+FT group, and (f) MMG+NFT group.

(a)

(b)

(c)

(d)

(e)

(f)