Fig. 6From: Dual-section versus conventional archwire for en-masse retraction of anterior teeth with direct skeletal anchorage: a finite element analysisDeflection of the archwire at the completion of space closure when bodily movement of the incisor was produced. a 0.019 × 0.025-in archwire with power arm longer than 14 mm. b Dual-section archwire with power arm 8 mm longBack to article page