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Table 2 Means of measures

From: Evaluation of the stiffness characteristics of rapid palatal expander screws

1. Measurement Kind of measure Mean value
Length of posterior arms (including screw body) 41.3 mm
Length of anterior arms (including screw body) 32.5 mm
Angle between screw body and posterior arms 146.2°
Angle between screw body and anterior arms 144°
Distance between anterior and posterior arms 19.8 mm