Research Article

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

Figure 1

Images of teeth before and after bonding the brackets. (a) Before bonding the bracket: nail varnish painted around the exposed enamel surface. (b) After bonding the bracket: exposed enamel around the bracket represents the area of interest.
(a)
(b)