Antiadherence and Antimicrobial Properties of Silver Nanoparticles against Streptococcus mutans on Brackets and Wires Used for Orthodontic Treatments

Figure 6

AFM micrographs of orthodontic wires. (a) Stainless steel; (b) nickel-titanium; (c) copper-nickel-titanium. 2D and 3D images are presented in area of 20 × 20 μm. Lineal roughness (center images) was determined according to the lineal length marked in each 2D image.

(a)

(b)

(c)