Progress in Orthodontics

Table 4 Descriptive statistics for archwire’s measurements divided by group and size

From: Dimensional variability of orthodontic slots and archwires: an analysis of torque expression and clinical implications

	Group 1		Group 2		Group 3
	0.019 × 0.025 archwire	0.021 × 0.025 archwire	0.019 × 0.025 archwire	0.021 × 0.025 archwire	0.019 × 0.025 archwire	0.021 × 0.025 archwire
Arch height	0.0190 ± 0.00009	0.0209 ± 0.00011	0.0189 ± 0.00009	0.0207 ± 0.00016	0.0191 ± 0.00004	0.0211 ± 0.00009
Arch width	0.0248 ± 0.00004	0.0249 ± 0.00010	0.0248 ± 0.00017	0.0248 ± 0.00015	0.0251 ± 0.00007	0.0252 ± 0.00015
Radius of edge bevel	0.0036 ± 0.00042	0.0039 ± 0.00048	0.0029 ± 0.00007	0.0030 ± 0.00010	0.0053 ± 0.00042	0.0049 ± 0.00064

Mean ± SD; values are expressed in inch
Group 1 Astar Orthodontics, Group 2 SIA, Group 3 Sweden & Martina

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