From: Effect of chlorhexidine-containing prophylactic agent on the surface characterization and frictional resistance between orthodontic brackets and archwires: an in vitro study
Chlorhexidine
Artificial saliva
Mean
SD
Min
Max
Nickel-titanium archwire
0.387
0.189
0.212
0.761
0.331
0.214
0.161
0.532
Stainless steel archwire
0.412
0.219
0.071
0.742
0.367
0.169
0.183
0.711