Figure 2From: Effect of chlorhexidine-containing prophylactic agent on the surface characterization and frictional resistance between orthodontic brackets and archwires: an in vitro studySEM photomicrographs of stainless steel bracket slots. (a) As-received bracket, (b) after 1.5-h immersion in the artificial saliva, and (c) after 1.5-h immersion in chlorhexidine mouthrinse. Magnification is × 500.Back to article page