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Table 3 Surface roughness values (μm) for the as-received wires and after immersion in chlorhexidine and artificial saliva

From: Effect of chlorhexidine-containing prophylactic agent on the surface characterization and frictional resistance between orthodontic brackets and archwires: an in vitro study

  As-received Chlorhexidine Artificial saliva
  Mean SD Min Max Mean SD Min Max Mean SD Min Max
Nickel-titanium 67.95 44.30 62.8 73.1 64.82 39.85 59.68 69.98 67.77 36.79 62.63 72.93
Stainless steel 10.74 3.20 5.59 15.89 9.27 3.45 4.12 14.42 10.35 2.75 5.21 15.51
  1. SD, standard deviation.