Nanotechnology in Orthodontics
1: The Past, Present, and a Perspective of the Future - Nanobiomaterials in Clinical Dentistry - page 222

disulfide (IF-WS 2 )( Figure 11.2 ), which are potent dry lubricants have been evaluated as self-
lubricating coatings for orthodontic stainless steel wires [14] . In a recent study, orthodontic stain-
less steel wire was coated with a nickel

P) film impregnated with IF-WS 2
( Figure 11.3 ) [13] . Coating was done by inserting stainless steel wires into solutions of Ni

phosphorus (Ni

P and

FIGURE 11.2
TEM lattice image of a typical IF-WS2 nanoparticle. Each dark line represents an atomic layer of the basal
planes with a distance of 0.62 nm between the layers [13] .

100 µ m

1 µ m

FIGURE 11.3
SEM image of a Ni IF-WS2 coated stainless steel wire (right) and the same coating shown in large

magnification (left). The impregnated IF nanoparticles are clearly visible in the Ni

P

1

P film [13] .