Fig. 1From: A finite element analysis of the effects of archwire size on orthodontic tooth movement in extraction space closure with miniscrew sliding mechanicsInitial positions and maximum rotation angles, Δθ, when archwires of 0.021, 0.018, and 0.016 in. are inserted into a bracket of 0.022 in.. a 0.021 in. b 0.018 in. c 0.016 inBack to article page