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Aims: The present study aimed to determine stress and strain distribution on the four lower incisors under the effect of (400g) calculated retracted orthodontic force. Materials and methods: Using finite element analysis method, frictionless retraction technique was successfully used with the aid of continuous (delta loop) on NiTi, Stainless steel wires without gable bends and stainless steel looped wire using 40°. gable bends(20° alpha, 20° beta gable) respectively. Results: High compressivedoi:10.33899/rden.2013.84798 doaj:7a1f41eb104e4ae194bc0f0ff1a62d65 fatcat:uiigx4aaifhnpgefwvyim2bmnu