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The arch circumference of individual patients varies depending upon the tooth and jaw size, type of malocclusion, stage of growth and treatment, etc. Objective: The arch circumference varies during the different stages of treatment, in extraction and nonextraction cases and between different ethnic groups. Hence necessitating larger preformed archwires to be supplied. This, although helpful, leads to a lot of unnecessary units of the archwire material with concomitant environmental hazards.doi:10.5005/jp-journals-10021-1089 fatcat:i3zps37yn5dtbidjvfvarxzskm