Progress in Orthodontics

Table 1 Lot variations of the included specimina

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

	Group 1	Group 2	Group 3
UR1	1	1	3
UR3	1	1	2
UR4	1	1	4
0.019 × 0.025 Archwire	1	1	3
0.021 × 0.025 Archwire	1	1	1

Lot numbers of each sample for every manufacturer
Group 1 Astar Orthodontics, Group 2 SIA, Group 3 Sweden & Martina, UR1 upper right central incisor bracket, UR3 upper right canine bracket, UR4 upper right first premolar bracket

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