Torque expression capacity of 0.018 and 0.022 bracket slots by changing archwire material and cross section

Progress in Orthodontics

Table 3 Analysis of slot dimensions

	Stated size	Measured size (mm)	SD	Measured size (inch)	SD	% Increase
Victory	0.56 mm	0.6211	0.0227	0.0245	0.0009	11.16
Victory	.022 inch	0.6211	0.0227	0.0245	0.0009	11.16
SFP	0.56 mm	0.5619	0.0250	0.0221	0.0010	0.56
SFP	.022 inch	0.5619	0.0250	0.0221	0.0010	0.56
Leone	0.56 mm	0.6191	0.0259	0.02437	0.0010	10.79
Leone	.022 inch	0.6191	0.0259	0.02437	0.0010	10.79
Ovation	0.56 mm	0.5896	0.0082	0.0232	0.0003	5.51
Ovation	.022 inch	0.5896	0.0082	0.0232	0.0003	5.51
Damon	0.56 mm	0.6033	0.0199	0.0238	0.0008	7.96
Damon	.022 inch	0.6033	0.0199	0.0238	0.0008	7.96
Nexus	0.56 mm	0.5924	0.0059	0.0233	0.0002	6.01
Nexus	.022 inch	0.5924	0.0059	0.0233	0.0002	6.01
STB	0.46 mm	0.4772	0.0174	0.0188	0.0007	4.37
STB	.018 inch	0.4772	0.0174	0.0188	0.0007	4.37
GAC BIDI	0.46 mm	0.4629	0.0085	0.0182	0.0003	1.25
GAC BIDI	.018 inch	0.4629	0.0085	0.0182	0.0003	1.25