Objective: This study evaluated the flexural strength ( load of deflection) and of two different coated archwires as received and after clinical use. Materials and Methods: A total number of 20 of  maxillary superelastic coated NiTi wires were used in this study and equally divided into two groups, group1: Teflon coated wires (Ortho Organizers) and group 2: Epoxy resin coated wires (American Orthodontics- Everwhite). These wires were subjected to three point bending test to determine their flexural strength (load of deflection). Then the wires were used in vivo for period between 4-6 weeks. Retrieved archwires were subjected to the same tests. The data were analyzed using Mann-Whitney test, paired t test and Wilcoxon Signed Ranks at 5% level of significance. Results: Regarding three point bending test, both groups showed increase in flexural strength during loading and unloading after clinical use with higher values for EverWhite group. Conclusion: Retreived coated archwires produces higher loading and unloading forces than as received. Everwhite group showed increased in flexural strength at various loading and unloading points than Teflon group (Ortho Organizers) which may become less suitable for the initial leveling phase.